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23108488 = 2313222197
BaseRepresentation
bin101100000100…
…1101110001000
31121111000212221
41120021232020
521403432423
62143143424
7400263454
oct130115610
947430787
1023108488
1112053827
1278a4b74
134a31280
1430d7664
152066e5d
hex1609b88

23108488 has 16 divisors (see below), whose sum is σ = 46661580. Its totient is φ = 10665408.

The previous prime is 23108483. The next prime is 23108489. The reversal of 23108488 is 88480132.

It can be written as a sum of positive squares in 2 ways, for example, as 23059204 + 49284 = 4802^2 + 222^2 .

It is a super-2 number, since 2×231084882 = 1068004435292288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23108483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110995 + ... + 111202.

Almost surely, 223108488 is an apocalyptic number.

It is an amenable number.

23108488 is an abundant number, since it is smaller than the sum of its proper divisors (23553092).

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

23108488 is a wasteful number, since it uses less digits than its factorization.

23108488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222216 (or 222212 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 23108488 is about 4807.1288728304. The cubic root of 23108488 is about 284.8331351108.

The spelling of 23108488 in words is "twenty-three million, one hundred eight thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 13 26 52 104 222197 444394 888788 1777576 2888561 5777122 11554244 23108488