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23272764 = 2231939397
BaseRepresentation
bin101100011000…
…1110100111100
31121210101020020
41120301310330
521424212024
62150452140
7401546424
oct130616474
947711206
1023272764
1112156199
127964050
134a8ac88
14313b484
15209a979
hex1631d3c

23272764 has 12 divisors (see below), whose sum is σ = 54303144. Its totient is φ = 7757584.

The previous prime is 23272759. The next prime is 23272771. The reversal of 23272764 is 46727232.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 969687 + ... + 969710.

It is an arithmetic number, because the mean of its divisors is an integer number (4525262).

Almost surely, 223272764 is an apocalyptic number.

It is an amenable number.

23272764 is an abundant number, since it is smaller than the sum of its proper divisors (31030380).

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

23272764 is a wasteful number, since it uses less digits than its factorization.

23272764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939404 (or 1939402 counting only the distinct ones).

The product of its digits is 28224, while the sum is 33.

The square root of 23272764 is about 4824.1853198234. The cubic root of 23272764 is about 285.5064923896.

Adding to 23272764 its reverse (46727232), we get a palindrome (69999996).

The spelling of 23272764 in words is "twenty-three million, two hundred seventy-two thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 12 1939397 3878794 5818191 7757588 11636382 23272764