Is 4215 a deficient number and what is its deficiency?

Is 4215 a deficient number?

Here we will explain and calculate if 4215 is a deficient number and its deficiency if applicable.

4215 is a deficient number if the sum of its proper divisors is less than 4215.

The sum of its proper divisors is calculated as follows: 1 + 3 + 5 + 15 + 281 + 843 + 1405 = 2553.

2553 is less than 4215. Therefore, 4215 is a deficient number.

The deficiency of 4215 is 4215 minus the sum of its proper divisors. Thus, the deficiency of 4215 is 4215 - 2553 = 1662

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