Is 1628 a deficient number and what is its deficiency?

Is 1628 a deficient number?

Here we will explain and calculate if 1628 is a deficient number and its deficiency if applicable.

1628 is a deficient number if the sum of its proper divisors is less than 1628.

The sum of its proper divisors is calculated as follows: 1 + 2 + 4 + 11 + 22 + 37 + 44 + 74 + 148 + 407 + 814 = 1564.

1564 is less than 1628. Therefore, 1628 is a deficient number.

The deficiency of 1628 is 1628 minus the sum of its proper divisors. Thus, the deficiency of 1628 is 1628 - 1564 = 64

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