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23251472 = 2411171301
BaseRepresentation
bin101100010110…
…0101000010000
31121202022000122
41120230220100
521423021342
62150205412
7401430356
oct130545020
947668018
1023251472
11121411a2
127953868
134a8138a
1431337d6
1520944d2
hex162ca10

23251472 has 20 divisors (see below), whose sum is σ = 45124716. Its totient is φ = 11606400.

The previous prime is 23251447. The next prime is 23251483. The reversal of 23251472 is 27415232.

It can be written as a sum of positive squares in 2 ways, for example, as 364816 + 22886656 = 604^2 + 4784^2 .

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, 17222 + ... + 18522.

Almost surely, 223251472 is an apocalyptic number.

It is an amenable number.

23251472 is a deficient number, since it is larger than the sum of its proper divisors (21873244).

23251472 is a wasteful number, since it uses less digits than its factorization.

23251472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2426 (or 2420 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 23251472 is about 4821.9780173701. The cubic root of 23251472 is about 285.4193968896.

The spelling of 23251472 in words is "twenty-three million, two hundred fifty-one thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 1117 1301 2234 2602 4468 5204 8936 10408 17872 20816 1453217 2906434 5812868 11625736 23251472