Is 654 a deficient number and what is its deficiency?

Is 654 a deficient number?

Here we will explain and calculate if 654 is a deficient number and its deficiency if applicable.

654 is a deficient number if the sum of its proper divisors is less than 654.

The sum of its proper divisors is calculated as follows: 1 + 2 + 3 + 6 + 109 + 218 + 327 = 666.

666 is not less than 654. Therefore, 654 is not a deficient number.

The deficiency of 654 is 654 minus the sum of its proper divisors. Thus, the deficiency of 654 is 654 - 666 = No Deficiency

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