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23956738 = 2133129723
BaseRepresentation
bin101101101100…
…0110100000010
31200002010110121
41123120310002
522113103423
62213250454
7410425501
oct133306402
950063417
1023956738
1112583063
128033a2a
134c6a3b0
143278838
15218345d
hex16d8d02

23956738 has 16 divisors (see below), whose sum is σ = 39949056. Its totient is φ = 10699920.

The previous prime is 23956733. The next prime is 23956741. The reversal of 23956738 is 83765932.

It is a junction number, because it is equal to n+sod(n) for n = 23956694 and 23956703.

It is not an unprimeable number, because it can be changed into a prime (23956733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14056 + ... + 15667.

It is an arithmetic number, because the mean of its divisors is an integer number (2496816).

Almost surely, 223956738 is an apocalyptic number.

23956738 is a deficient number, since it is larger than the sum of its proper divisors (15992318).

23956738 is a wasteful number, since it uses less digits than its factorization.

23956738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29769.

The product of its digits is 272160, while the sum is 43.

The square root of 23956738 is about 4894.5620845996. The cubic root of 23956738 is about 288.2764914810.

The spelling of 23956738 in words is "twenty-three million, nine hundred fifty-six thousand, seven hundred thirty-eight".

Divisors: 1 2 13 26 31 62 403 806 29723 59446 386399 772798 921413 1842826 11978369 23956738