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23985633 = 374212713
BaseRepresentation
bin101101101111…
…1110111100001
31200010121002210
41123133313201
522120020013
62214032333
7410605650
oct133376741
950117083
1023985633
11125a2841
1280486a9
134c7a5a9
143285197
15218bcc3
hex16dfde1

23985633 has 16 divisors (see below), whose sum is σ = 36649856. Its totient is φ = 13668480.

The previous prime is 23985629. The next prime is 23985653. The reversal of 23985633 is 33658932.

It is not a de Polignac number, because 23985633 - 22 = 23985629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23985591 and 23985600.

It is not an unprimeable number, because it can be changed into a prime (23985653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7485 + ... + 10197.

It is an arithmetic number, because the mean of its divisors is an integer number (2290616).

Almost surely, 223985633 is an apocalyptic number.

It is an amenable number.

23985633 is a deficient number, since it is larger than the sum of its proper divisors (12664223).

23985633 is a wasteful number, since it uses less digits than its factorization.

23985633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144.

The product of its digits is 116640, while the sum is 39.

The square root of 23985633 is about 4897.5129402586. The cubic root of 23985633 is about 288.3923447959.

The spelling of 23985633 in words is "twenty-three million, nine hundred eighty-five thousand, six hundred thirty-three".

Divisors: 1 3 7 21 421 1263 2713 2947 8139 8841 18991 56973 1142173 3426519 7995211 23985633