Is 1340 a deficient number and what is its deficiency?

Is 1340 a deficient number?

Here we will explain and calculate if 1340 is a deficient number and its deficiency if applicable.

1340 is a deficient number if the sum of its proper divisors is less than 1340.

The sum of its proper divisors is calculated as follows: 1 + 2 + 4 + 5 + 10 + 20 + 67 + 134 + 268 + 335 + 670 = 1516.

1516 is not less than 1340. Therefore, 1340 is not a deficient number.

The deficiency of 1340 is 1340 minus the sum of its proper divisors. Thus, the deficiency of 1340 is 1340 - 1516 = No Deficiency

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