<?php
// PHP program to find nth
// magic number
// Function to find nth
// magic number
function nthMagicNo($n)
{
$pow = 1;
$answer = 0;
// Go through every bit of n
while ($n)
{
$pow = $pow * 5;
// If last bit of n is set
if ($n & 1)
$answer += $pow;
// proceed to next bit
$n >>= 1; // or $n = $n/2
}
return $answer;
}
// Driver Code
$n = 5;
echo "nth magic number is ",
nthMagicNo($n), "\n";
// This code is contributed by Ajit.
?>
