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108988 = 22112477
BaseRepresentation
bin11010100110111100
312112111121
4122212330
511441423
62200324
7632515
oct324674
9175447
10108988
1174980
12530a4
133a7b9
142ba0c
152245d
hex1a9bc

108988 has 12 divisors (see below), whose sum is σ = 208152. Its totient is φ = 49520.

The previous prime is 108971. The next prime is 108991. The reversal of 108988 is 889801.

It can be divided in two parts, 10 and 8988, that added together give a palindrome (8998).

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

108988 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1195 + ... + 1282.

It is an arithmetic number, because the mean of its divisors is an integer number (17346).

2108988 is an apocalyptic number.

It is an amenable number.

108988 is a deficient number, since it is larger than the sum of its proper divisors (99164).

108988 is a wasteful number, since it uses less digits than its factorization.

108988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492 (or 2490 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 108988 is about 330.1333064082. The cubic root of 108988 is about 47.7668087713.

The spelling of 108988 in words is "one hundred eight thousand, nine hundred eighty-eight".

Divisors: 1 2 4 11 22 44 2477 4954 9908 27247 54494 108988