# Program to check whether given Integer is whether integer is power of 2 or not

Sample Input 1 :

64

Sample Output 1 :

64 is Power of 2 (2*2*2*2*2*2=64)

#### Program or Solution

` ````
#include<stdio.h>
int main()
{
int number, n,i,flag=0;
printf("Enter a Number: ");
scanf("%d",&number);
n=number;
while(n>1)
{
if(n%2!=0)
{
flag=1;
break;
}
n=n/2;
}
if(flag==0)
{
printf("%d is a power of 2 ",number);
}
else
{
printf("%d is not power of 2 ",number);
}
return 0;
}
```

#### Program Explanation

refer video tutorial