Is 2745 a deficient number and what is its deficiency?

Is 2745 a deficient number?

Here we will explain and calculate if 2745 is a deficient number and its deficiency if applicable.

2745 is a deficient number if the sum of its proper divisors is less than 2745.

The sum of its proper divisors is calculated as follows: 1 + 3 + 5 + 9 + 15 + 45 + 61 + 183 + 305 + 549 + 915 = 2091.

2091 is less than 2745. Therefore, 2745 is a deficient number.

The deficiency of 2745 is 2745 minus the sum of its proper divisors. Thus, the deficiency of 2745 is 2745 - 2091 = 654

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