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23054472 = 23327149307
BaseRepresentation
bin101011111110…
…0100010001000
31121101021210100
41113330202020
521400220342
62142045400
7366650130
oct127744210
947337710
1023054472
1112017191
127879860
134a127cc
1430c1ac0
152055e4c
hex15fc888

23054472 has 96 divisors (see below), whose sum is σ = 72072000. Its totient is φ = 6521472.

The previous prime is 23054461. The next prime is 23054477. The reversal of 23054472 is 27445032.

It is not an unprimeable number, because it can be changed into a prime (23054477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74943 + ... + 75249.

It is an arithmetic number, because the mean of its divisors is an integer number (750750).

Almost surely, 223054472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23054472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36036000).

23054472 is an abundant number, since it is smaller than the sum of its proper divisors (49017528).

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

23054472 is a wasteful number, since it uses less digits than its factorization.

23054472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 23054472 is about 4801.5072633497. The cubic root of 23054472 is about 284.6110298523.

The spelling of 23054472 in words is "twenty-three million, fifty-four thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 149 168 252 298 307 447 504 596 614 894 921 1043 1192 1228 1341 1788 1842 2086 2149 2456 2682 2763 3129 3576 3684 4172 4298 5364 5526 6258 6447 7368 8344 8596 9387 10728 11052 12516 12894 17192 18774 19341 22104 25032 25788 37548 38682 45743 51576 75096 77364 91486 137229 154728 182972 274458 320201 365944 411687 548916 640402 823374 960603 1097832 1280804 1646748 1921206 2561608 2881809 3293496 3842412 5763618 7684824 11527236 23054472