Is 28 a deficient number and what is its deficiency?

Is 28 a deficient number?

Here we will explain and calculate if 28 is a deficient number and its deficiency if applicable.

28 is a deficient number if the sum of its proper divisors is less than 28.

The sum of its proper divisors is calculated as follows: 1 + 2 + 4 + 7 + 14 = 28.

28 is not less than 28. Therefore, 28 is not a deficient number.

The deficiency of 28 is 28 minus the sum of its proper divisors. Thus, the deficiency of 28 is 28 - 28 = No Deficiency

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