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108113688 = 23327121149
BaseRepresentation
bin1100111000110…
…10111100011000
321112102202002200
412130122330120
5210134114223
614421130200
72451644154
oct634327430
9245382080
10108113688
1156033461
1230259960
13195248c7
1410504064
159758a43
hex671af18

108113688 has 48 divisors (see below), whose sum is σ = 296946000. Its totient is φ = 35528640.

The previous prime is 108113671. The next prime is 108113689. The reversal of 108113688 is 886311801.

It is a super-2 number, since 2×1081136882 = 23377139065922688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108113689) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5463 + ... + 15686.

It is an arithmetic number, because the mean of its divisors is an integer number (6186375).

Almost surely, 2108113688 is an apocalyptic number.

108113688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

108113688 is an abundant number, since it is smaller than the sum of its proper divisors (188832312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

108113688 is a wasteful number, since it uses less digits than its factorization.

108113688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21232 (or 21225 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 108113688 is about 10397.7732231473. The cubic root of 108113688 is about 476.3873574084.

It can be divided in two parts, 108113 and 688, that added together give a palindrome (108801).

The spelling of 108113688 in words is "one hundred eight million, one hundred thirteen thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 71 72 142 213 284 426 568 639 852 1278 1704 2556 5112 21149 42298 63447 84596 126894 169192 190341 253788 380682 507576 761364 1501579 1522728 3003158 4504737 6006316 9009474 12012632 13514211 18018948 27028422 36037896 54056844 108113688