64 is deficient.
The number 64 is considered deficient. An abundant number is one where the sum of its proper divisors (excluding itself) is greater than the number itself. The proper divisors of 64, which are 1, 2, 4, 8, 16, and 32, add up to 63, which is less than 64. Therefore, 64 does not meet the criteria for being abundant.
It is deficient.
It is deficient.
it is abundant
abundant
abundant
It is deficient.
It is deficient.
15 is deficient.
deficient
it is abundant
abundant
13 is deficient.
deficient
It is deficient.
36 is abundant.
Abundant, deficient and perfect numbers are determined by the sum of the proper divisors (or factors) of a number, which excludes the number itself. The factors of 76 are : 1,2,4,19,38,76 . . . after excluding the number itself the sum of the proper divisors is :- 1+2+4+19+38= 64 Deficient numbers occur when the sum of the proper divisors is less than the number itself. As 64 is less that 76 then it is deficient.