Is 555 a deficient number and what is its deficiency?

Is 555 a deficient number?

Here we will explain and calculate if 555 is a deficient number and its deficiency if applicable.

555 is a deficient number if the sum of its proper divisors is less than 555.

The sum of its proper divisors is calculated as follows: 1 + 3 + 5 + 15 + 37 + 111 + 185 = 357.

357 is less than 555. Therefore, 555 is a deficient number.

The deficiency of 555 is 555 minus the sum of its proper divisors. Thus, the deficiency of 555 is 555 - 357 = 198

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