Is 556 a deficient number and what is its deficiency?

Is 556 a deficient number?

Here we will explain and calculate if 556 is a deficient number and its deficiency if applicable.

556 is a deficient number if the sum of its proper divisors is less than 556.

The sum of its proper divisors is calculated as follows: 1 + 2 + 4 + 139 + 278 = 424.

424 is less than 556. Therefore, 556 is a deficient number.

The deficiency of 556 is 556 minus the sum of its proper divisors. Thus, the deficiency of 556 is 556 - 424 = 132

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