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23930838 = 2327916829
BaseRepresentation
bin101101101001…
…0011111010110
31200000210221100
41123102133112
522111241323
62212530530
7410260131
oct133223726
950023840
1023930838
1112565658
128020a46
134c5b679
14326d218
15217a943
hex16d27d6

23930838 has 24 divisors (see below), whose sum is σ = 52509600. Its totient is φ = 7875504.

The previous prime is 23930827. The next prime is 23930843. The reversal of 23930838 is 83803932.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6993 + ... + 9836.

It is an arithmetic number, because the mean of its divisors is an integer number (2187900).

Almost surely, 223930838 is an apocalyptic number.

23930838 is an abundant number, since it is smaller than the sum of its proper divisors (28578762).

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

23930838 is a wasteful number, since it uses less digits than its factorization.

23930838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16916 (or 16913 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 23930838 is about 4891.9155757229. The cubic root of 23930838 is about 288.1725672960.

The spelling of 23930838 in words is "twenty-three million, nine hundred thirty thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 9 18 79 158 237 474 711 1422 16829 33658 50487 100974 151461 302922 1329491 2658982 3988473 7976946 11965419 23930838