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23272790 = 252980251
BaseRepresentation
bin101100011000…
…1110101010110
31121210101021012
41120301311112
521424212130
62150452222
7401546462
oct130616526
947711235
1023272790
1112156212
127964072
134a8aca8
14313b4a2
15209a995
hex1631d56

23272790 has 16 divisors (see below), whose sum is σ = 43336080. Its totient is φ = 8988000.

The previous prime is 23272771. The next prime is 23272801. The reversal of 23272790 is 9727232.

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 7 ways as a sum of consecutive naturals, for example, 39836 + ... + 40415.

It is an arithmetic number, because the mean of its divisors is an integer number (2708505).

Almost surely, 223272790 is an apocalyptic number.

23272790 is a deficient number, since it is larger than the sum of its proper divisors (20063290).

23272790 is a wasteful number, since it uses less digits than its factorization.

23272790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80287.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 23272790 is about 4824.1880145782. The cubic root of 23272790 is about 285.5065987108.

The spelling of 23272790 in words is "twenty-three million, two hundred seventy-two thousand, seven hundred ninety".

Divisors: 1 2 5 10 29 58 145 290 80251 160502 401255 802510 2327279 4654558 11636395 23272790