24 lines
508 B
PHP
24 lines
508 B
PHP
<?php
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//12857 multiplied by 7 gives 90099, and the sum of the digits of 90099 is indeed 27, not 44. Keep trying!
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function sumDigits($number) {
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$sum = 0;
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// converting number to string to access digits easily
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$numberStr = (string)$number;
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for ($i = 0; $i < strlen($numberStr); $i++) {
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$digit = (int)$numberStr[$i];
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$sum += $digit;
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}
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return $sum;
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}
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$i = 0;
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while(true) {
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$i++;
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$var = $i*7;
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if(sumDigits($var) == 44)
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{
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die("Found $i");
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}
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} |