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23252919 = 31072677
BaseRepresentation
bin101100010110…
…0111110110111
31121202101000020
41120230332313
521423043134
62150220223
7401434524
oct130547667
947671006
1023252919
1112142298
127954673
134a81c31
14313414b
152094b49
hex162cfb7

23252919 has 12 divisors (see below), whose sum is σ = 31342584. Its totient is φ = 15334384.

The previous prime is 23252917. The next prime is 23252947. The reversal of 23252919 is 91925232.

It is not a de Polignac number, because 23252919 - 21 = 23252917 is a prime.

It is a super-2 number, since 2×232529192 = 1081396484041122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23252919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23252917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34009 + ... + 34685.

It is an arithmetic number, because the mean of its divisors is an integer number (2611882).

Almost surely, 223252919 is an apocalyptic number.

23252919 is a deficient number, since it is larger than the sum of its proper divisors (8089665).

23252919 is an equidigital number, since it uses as much as digits as its factorization.

23252919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894 (or 787 counting only the distinct ones).

The product of its digits is 9720, while the sum is 33.

The square root of 23252919 is about 4822.1280571963. The cubic root of 23252919 is about 285.4253175657.

The spelling of 23252919 in words is "twenty-three million, two hundred fifty-two thousand, nine hundred nineteen".

Divisors: 1 3 107 321 677 2031 11449 34347 72439 217317 7750973 23252919