Is 219 a deficient number and what is its deficiency?

Is 219 a deficient number?

Here we will explain and calculate if 219 is a deficient number and its deficiency if applicable.

219 is a deficient number if the sum of its proper divisors is less than 219.

The sum of its proper divisors is calculated as follows: 1 + 3 + 73 = 77.

77 is less than 219. Therefore, 219 is a deficient number.

The deficiency of 219 is 219 minus the sum of its proper divisors. Thus, the deficiency of 219 is 219 - 77 = 142

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