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23919968 = 25747499
BaseRepresentation
bin101101100111…
…1110101100000
31200000021000202
41123033311200
522110414333
62212404332
7410213342
oct133176540
950007022
1023919968
1112558476
1280166a8
134c56737
143269292
1521775e8
hex16cfd60

23919968 has 12 divisors (see below), whose sum is σ = 47092500. Its totient is φ = 11959968.

The previous prime is 23919967. The next prime is 23920007. The reversal of 23919968 is 86991932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23919967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373718 + ... + 373781.

It is an arithmetic number, because the mean of its divisors is an integer number (3924375).

Almost surely, 223919968 is an apocalyptic number.

It is an amenable number.

23919968 is a deficient number, since it is larger than the sum of its proper divisors (23172532).

23919968 is an equidigital number, since it uses as much as digits as its factorization.

23919968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747509 (or 747501 counting only the distinct ones).

The product of its digits is 209952, while the sum is 47.

The square root of 23919968 is about 4890.8044328106. The cubic root of 23919968 is about 288.1289288993.

The spelling of 23919968 in words is "twenty-three million, nine hundred nineteen thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 16 32 747499 1494998 2989996 5979992 11959984 23919968