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23056572 = 22371124953
BaseRepresentation
bin101011111110…
…1000010111100
31121101101200010
41113331002330
521400302242
62142103220
7366656220
oct127750274
947341603
1023056572
1112018820
12787ab10
134a13756
1430c2780
15205689c
hex15fd0bc

23056572 has 48 divisors (see below), whose sum is σ = 67076352. Its totient is φ = 5988480.

The previous prime is 23056571. The next prime is 23056613. The reversal of 23056572 is 27565032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23056571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11553 + ... + 13400.

It is an arithmetic number, because the mean of its divisors is an integer number (1397424).

Almost surely, 223056572 is an apocalyptic number.

23056572 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23056572 is an abundant number, since it is smaller than the sum of its proper divisors (44019780).

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

23056572 is a wasteful number, since it uses less digits than its factorization.

23056572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24978 (or 24976 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 23056572 is about 4801.7259397013. The cubic root of 23056572 is about 284.6196711984.

The spelling of 23056572 in words is "twenty-three million, fifty-six thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 66 77 84 132 154 231 308 462 924 24953 49906 74859 99812 149718 174671 274483 299436 349342 524013 548966 698684 823449 1048026 1097932 1646898 1921381 2096052 3293796 3842762 5764143 7685524 11528286 23056572