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23923136 = 26438693
BaseRepresentation
bin101101101000…
…0100111000000
31200000102101002
41123100213000
522111020021
62212431132
7410225516
oct133204700
950012332
1023923136
111255a896
1280184a8
134c58003
14326a4b6
15217850b
hex16d09c0

23923136 has 28 divisors (see below), whose sum is σ = 48582072. Its totient is φ = 11682048.

The previous prime is 23923129. The next prime is 23923139. The reversal of 23923136 is 63132932.

It is a junction number, because it is equal to n+sod(n) for n = 23923099 and 23923108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23923139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1595 + ... + 7098.

It is an arithmetic number, because the mean of its divisors is an integer number (1735074).

Almost surely, 223923136 is an apocalyptic number.

It is an amenable number.

23923136 is an abundant number, since it is smaller than the sum of its proper divisors (24658936).

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

23923136 is an equidigital number, since it uses as much as digits as its factorization.

23923136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8748 (or 8738 counting only the distinct ones).

The product of its digits is 5832, while the sum is 29.

The square root of 23923136 is about 4891.1282951892. The cubic root of 23923136 is about 288.1416484279.

The spelling of 23923136 in words is "twenty-three million, nine hundred twenty-three thousand, one hundred thirty-six".

Divisors: 1 2 4 8 16 32 43 64 86 172 344 688 1376 2752 8693 17386 34772 69544 139088 278176 373799 556352 747598 1495196 2990392 5980784 11961568 23923136