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23000912 = 2411130687
BaseRepresentation
bin101011110111…
…1011101010000
31121021120022122
41113233131100
521342012122
62140553412
7366335024
oct127573520
947246278
1023000912
1111a8aa20
127852868
1349c430c
1430aa384
152045142
hex15ef750

23000912 has 20 divisors (see below), whose sum is σ = 48615936. Its totient is φ = 10454880.

The previous prime is 23000911. The next prime is 23000921. The reversal of 23000912 is 21900032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23000911) 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, 65168 + ... + 65519.

Almost surely, 223000912 is an apocalyptic number.

23000912 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23000912 is an abundant number, since it is smaller than the sum of its proper divisors (25615024).

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

23000912 is a wasteful number, since it uses less digits than its factorization.

23000912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130706 (or 130700 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 23000912 is about 4795.9266049430. The cubic root of 23000912 is about 284.3904567857.

Adding to 23000912 its reverse (21900032), we get a palindrome (44900944).

The spelling of 23000912 in words is "twenty-three million, nine hundred twelve", and thus it is an aban number.

Divisors: 1 2 4 8 11 16 22 44 88 176 130687 261374 522748 1045496 1437557 2090992 2875114 5750228 11500456 23000912