Answer Posted / shiv darshan

#include<stdio.h>
int main(){
int num,i,f,r,sum,temp;
int max;


printf("Enter maximum range: ");
scanf("%d",&max);

printf("Strong numbers in given range are: ");
for(num=1; num <= max; num++){
temp = num;
sum=0;

while(temp){
i=1;
f=1;
r=temp%10;

while(i<=r){
f=f*i;
i++;
}
sum=sum+f;
temp=temp/10;
}

if(sum==num)
printf("%d ",num);
}
return 0;
}


Definition of strong number:

A number is called strong number if sum of the factorial of its digit is equal to number itself. For example: 145 since
1! + 4! + 5! = 1 + 24 + 120 = 145

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