Is 591 a deficient number and what is its deficiency?

Is 591 a deficient number?

Here we will explain and calculate if 591 is a deficient number and its deficiency if applicable.

591 is a deficient number if the sum of its proper divisors is less than 591.

The sum of its proper divisors is calculated as follows: 1 + 3 + 197 = 201.

201 is less than 591. Therefore, 591 is a deficient number.

The deficiency of 591 is 591 minus the sum of its proper divisors. Thus, the deficiency of 591 is 591 - 201 = 390

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