Is 957 a deficient number and what is its deficiency?

Is 957 a deficient number?

Here we will explain and calculate if 957 is a deficient number and its deficiency if applicable.

957 is a deficient number if the sum of its proper divisors is less than 957.

The sum of its proper divisors is calculated as follows: 1 + 3 + 11 + 29 + 33 + 87 + 319 = 483.

483 is less than 957. Therefore, 957 is a deficient number.

The deficiency of 957 is 957 minus the sum of its proper divisors. Thus, the deficiency of 957 is 957 - 483 = 474

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