Is 1400 a deficient number and what is its deficiency?

Is 1400 a deficient number?

Here we will explain and calculate if 1400 is a deficient number and its deficiency if applicable.

1400 is a deficient number if the sum of its proper divisors is less than 1400.

The sum of its proper divisors is calculated as follows: 1 + 2 + 4 + 5 + 7 + 8 + 10 + 14 + 20 + 25 + 28 + 35 + 40 + 50 + 56 + 70 + 100 + 140 + 175 + 200 + 280 + 350 + 700 = 2320.

2320 is not less than 1400. Therefore, 1400 is not a deficient number.

The deficiency of 1400 is 1400 minus the sum of its proper divisors. Thus, the deficiency of 1400 is 1400 - 2320 = No Deficiency

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