Is 1551 a deficient number and what is its deficiency?

Is 1551 a deficient number?

Here we will explain and calculate if 1551 is a deficient number and its deficiency if applicable.

1551 is a deficient number if the sum of its proper divisors is less than 1551.

The sum of its proper divisors is calculated as follows: 1 + 3 + 11 + 33 + 47 + 141 + 517 = 753.

753 is less than 1551. Therefore, 1551 is a deficient number.

The deficiency of 1551 is 1551 minus the sum of its proper divisors. Thus, the deficiency of 1551 is 1551 - 753 = 798

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