package javaapplication1;
// Strong numbers are the numbers that the sum of factorial of its digits
// is equal to the original number
// 145 is a strong number: 1 + 24 + 120 = 145
public class JavaApplication1 {
public static void main(String[] args) {
int reminder, sum, tmp;
for (int n = 1; n <= 1000000; n++)
{
tmp = n;
sum = 0;
while (tmp != 0)
{
reminder = tmp % 10;
sum = sum + factorial(reminder);
tmp /= 10;
}
if (sum == n)
System.out.format("%d\n", n);
}
}
public static int factorial(int n)
{
int fact = 1;
for (int i = 2; i <= n; i++)
fact = fact * i;
return fact;
}
}
/*
run:
1
2
145
40585
*/