Is 4378 a deficient number and what is its deficiency?

Is 4378 a deficient number?

Here we will explain and calculate if 4378 is a deficient number and its deficiency if applicable.

4378 is a deficient number if the sum of its proper divisors is less than 4378.

The sum of its proper divisors is calculated as follows: 1 + 2 + 11 + 22 + 199 + 398 + 2189 = 2822.

2822 is less than 4378. Therefore, 4378 is a deficient number.

The deficiency of 4378 is 4378 minus the sum of its proper divisors. Thus, the deficiency of 4378 is 4378 - 2822 = 1556

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