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23139084 = 2231928257
BaseRepresentation
bin101100001000…
…1001100001100
31121112120212010
41120101030030
521410422314
62143541220
7400451613
oct130211414
947476763
1023139084
1112074811
1278ba810
134a42187
14310487a
152071059
hex161130c

23139084 has 12 divisors (see below), whose sum is σ = 53991224. Its totient is φ = 7713024.

The previous prime is 23139043. The next prime is 23139119. The reversal of 23139084 is 48093132.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 964117 + ... + 964140.

Almost surely, 223139084 is an apocalyptic number.

It is an amenable number.

23139084 is an abundant number, since it is smaller than the sum of its proper divisors (30852140).

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

23139084 is a wasteful number, since it uses less digits than its factorization.

23139084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928264 (or 1928262 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 23139084 is about 4810.3101771092. The cubic root of 23139084 is about 284.9587875157.

The spelling of 23139084 in words is "twenty-three million, one hundred thirty-nine thousand, eighty-four".

Divisors: 1 2 3 4 6 12 1928257 3856514 5784771 7713028 11569542 23139084