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23197038 = 2343471913
BaseRepresentation
bin101100001111…
…1010101101110
31121122112100120
41120133111232
521414301123
62145105410
7401112564
oct130372556
947575316
1023197038
1112104307
127928266
134a62677
14311ba34
1520832e3
hex161f56e

23197038 has 32 divisors (see below), whose sum is σ = 48508416. Its totient is φ = 7387968.

The previous prime is 23197037. The next prime is 23197063. The reversal of 23197038 is 83079132.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23197037) 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, 11170 + ... + 13082.

It is an arithmetic number, because the mean of its divisors is an integer number (1515888).

Almost surely, 223197038 is an apocalyptic number.

23197038 is an abundant number, since it is smaller than the sum of its proper divisors (25311378).

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

23197038 is a wasteful number, since it uses less digits than its factorization.

23197038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 23197038 is about 4816.3303458131. The cubic root of 23197038 is about 285.1964911538.

The spelling of 23197038 in words is "twenty-three million, one hundred ninety-seven thousand, thirty-eight".

Divisors: 1 2 3 6 43 47 86 94 129 141 258 282 1913 2021 3826 4042 5739 6063 11478 12126 82259 89911 164518 179822 246777 269733 493554 539466 3866173 7732346 11598519 23197038