Is 963 a deficient number and what is its deficiency?

Is 963 a deficient number?

Here we will explain and calculate if 963 is a deficient number and its deficiency if applicable.

963 is a deficient number if the sum of its proper divisors is less than 963.

The sum of its proper divisors is calculated as follows: 1 + 3 + 9 + 107 + 321 = 441.

441 is less than 963. Therefore, 963 is a deficient number.

The deficiency of 963 is 963 minus the sum of its proper divisors. Thus, the deficiency of 963 is 963 - 441 = 522

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