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23258742 = 2313319619
BaseRepresentation
bin101100010111…
…0011001110110
31121202122222220
41120232121312
521423234432
62150303210
7401460513
oct130563166
947678886
1023258742
1112146701
127957b06
134a84790
14313630a
15209672c
hex162e676

23258742 has 32 divisors (see below), whose sum is σ = 51717120. Its totient is φ = 6924960.

The previous prime is 23258693. The next prime is 23258761. The reversal of 23258742 is 24785232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2392 + ... + 7227.

It is an arithmetic number, because the mean of its divisors is an integer number (1616160).

Almost surely, 223258742 is an apocalyptic number.

23258742 is an abundant number, since it is smaller than the sum of its proper divisors (28458378).

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

23258742 is a wasteful number, since it uses less digits than its factorization.

23258742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9668.

The product of its digits is 26880, while the sum is 33.

The square root of 23258742 is about 4822.7317984727. The cubic root of 23258742 is about 285.4491409963.

The spelling of 23258742 in words is "twenty-three million, two hundred fifty-eight thousand, seven hundred forty-two".

Divisors: 1 2 3 6 13 26 31 39 62 78 93 186 403 806 1209 2418 9619 19238 28857 57714 125047 250094 298189 375141 596378 750282 894567 1789134 3876457 7752914 11629371 23258742