Is 791 a deficient number and what is its deficiency?

Is 791 a deficient number?

Here we will explain and calculate if 791 is a deficient number and its deficiency if applicable.

791 is a deficient number if the sum of its proper divisors is less than 791.

The sum of its proper divisors is calculated as follows: 1 + 7 + 113 = 121.

121 is less than 791. Therefore, 791 is a deficient number.

The deficiency of 791 is 791 minus the sum of its proper divisors. Thus, the deficiency of 791 is 791 - 121 = 670

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