C Programming | C Program to Check Armstrong Number

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C Program to Check Armstrong Number

A positive integer is called an Armstrong number (of order n) if

abcd... = an + bn + cn + dn +
In the case of an Armstrong number of 3 digits, the sum of cubes of each digit is equal to the number itself. For example, 153 is an Armstrong number because

153 = 1*1*1 + 5*5*5 + 3*3*3