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23089872 = 2431337003
BaseRepresentation
bin101100000010…
…1001011010000
31121110002100110
41120011023100
521402333442
62142521320
7400155261
oct130051320
947402313
1023089872
1112040843
127896240
134a25960
1430d0968
15206169c
hex16052d0

23089872 has 40 divisors (see below), whose sum is σ = 64238944. Its totient is φ = 7104384.

The previous prime is 23089849. The next prime is 23089877. The reversal of 23089872 is 27898032.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 23089872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23089877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17878 + ... + 19125.

Almost surely, 223089872 is an apocalyptic number.

It is an amenable number.

23089872 is an abundant number, since it is smaller than the sum of its proper divisors (41149072).

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

23089872 is a wasteful number, since it uses less digits than its factorization.

23089872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37027 (or 37021 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 23089872 is about 4805.1921917859. The cubic root of 23089872 is about 284.7566281847.

The spelling of 23089872 in words is "twenty-three million, eighty-nine thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 208 312 624 37003 74006 111009 148012 222018 296024 444036 481039 592048 888072 962078 1443117 1776144 1924156 2886234 3848312 5772468 7696624 11544936 23089872