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23087872 = 2890187
BaseRepresentation
bin101100000010…
…0101100000000
31121102222121101
41120010230000
521402302442
62142504144
7400146403
oct130045400
947388541
1023087872
111203a295
127895054
134a24a82
1430cdd3a
152060cb7
hex1604b00

23087872 has 18 divisors (see below), whose sum is σ = 46086068. Its totient is φ = 11543808.

The previous prime is 23087863. The next prime is 23087891. The reversal of 23087872 is 27878032.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44838 + ... + 45349.

Almost surely, 223087872 is an apocalyptic number.

It is an amenable number.

23087872 is a deficient number, since it is larger than the sum of its proper divisors (22998196).

23087872 is an frugal number, since it uses more digits than its factorization.

23087872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90203 (or 90189 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 23087872 is about 4804.9840790579. The cubic root of 23087872 is about 284.7484062580.

The spelling of 23087872 in words is "twenty-three million, eighty-seven thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 32 64 128 256 90187 180374 360748 721496 1442992 2885984 5771968 11543936 23087872