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23087442 = 237549701
BaseRepresentation
bin101100000010…
…0100101010010
31121102222000110
41120010211102
521402244232
62142502150
7400145220
oct130044522
947388013
1023087442
1112039a34
127894956
134a24811
1430cdb10
152060acc
hex1604952

23087442 has 16 divisors (see below), whose sum is σ = 52771392. Its totient is φ = 6596400.

The previous prime is 23087437. The next prime is 23087453. The reversal of 23087442 is 24478032.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274809 + ... + 274892.

It is an arithmetic number, because the mean of its divisors is an integer number (3298212).

Almost surely, 223087442 is an apocalyptic number.

23087442 is an abundant number, since it is smaller than the sum of its proper divisors (29683950).

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

23087442 is a wasteful number, since it uses less digits than its factorization.

23087442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549713.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 23087442 is about 4804.9393336441. The cubic root of 23087442 is about 284.7466384818.

The spelling of 23087442 in words is "twenty-three million, eighty-seven thousand, four hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 549701 1099402 1649103 3298206 3847907 7695814 11543721 23087442