Is 4689 a deficient number and what is its deficiency?

Is 4689 a deficient number?

Here we will explain and calculate if 4689 is a deficient number and its deficiency if applicable.

4689 is a deficient number if the sum of its proper divisors is less than 4689.

The sum of its proper divisors is calculated as follows: 1 + 3 + 9 + 521 + 1563 = 2097.

2097 is less than 4689. Therefore, 4689 is a deficient number.

The deficiency of 4689 is 4689 minus the sum of its proper divisors. Thus, the deficiency of 4689 is 4689 - 2097 = 2592

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