Is 969 a deficient number and what is its deficiency?

Is 969 a deficient number?

Here we will explain and calculate if 969 is a deficient number and its deficiency if applicable.

969 is a deficient number if the sum of its proper divisors is less than 969.

The sum of its proper divisors is calculated as follows: 1 + 3 + 17 + 19 + 51 + 57 + 323 = 471.

471 is less than 969. Therefore, 969 is a deficient number.

The deficiency of 969 is 969 minus the sum of its proper divisors. Thus, the deficiency of 969 is 969 - 471 = 498

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