Is 369 a deficient number and what is its deficiency?

Is 369 a deficient number?

Here we will explain and calculate if 369 is a deficient number and its deficiency if applicable.

369 is a deficient number if the sum of its proper divisors is less than 369.

The sum of its proper divisors is calculated as follows: 1 + 3 + 9 + 41 + 123 = 177.

177 is less than 369. Therefore, 369 is a deficient number.

The deficiency of 369 is 369 minus the sum of its proper divisors. Thus, the deficiency of 369 is 369 - 177 = 192

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