Is 2890 a deficient number and what is its deficiency?

Is 2890 a deficient number?

Here we will explain and calculate if 2890 is a deficient number and its deficiency if applicable.

2890 is a deficient number if the sum of its proper divisors is less than 2890.

The sum of its proper divisors is calculated as follows: 1 + 2 + 5 + 10 + 17 + 34 + 85 + 170 + 289 + 578 + 1445 = 2636.

2636 is less than 2890. Therefore, 2890 is a deficient number.

The deficiency of 2890 is 2890 minus the sum of its proper divisors. Thus, the deficiency of 2890 is 2890 - 2636 = 254

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