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23090188 = 221134337
BaseRepresentation
bin101100000010…
…1010000001100
31121110002210011
41120011100030
521402341223
62142523004
7400156222
oct130052014
947402704
1023090188
1112041000
127896464
134a25b44
1430d0b12
15206180d
hex160540c

23090188 has 24 divisors (see below), whose sum is σ = 44455824. Its totient is φ = 10493120.

The previous prime is 23090167. The next prime is 23090201. The reversal of 23090188 is 88109032.

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, 3156 + ... + 7492.

It is an arithmetic number, because the mean of its divisors is an integer number (1852326).

Almost surely, 223090188 is an apocalyptic number.

It is an amenable number.

23090188 is a deficient number, since it is larger than the sum of its proper divisors (21365636).

23090188 is a wasteful number, since it uses less digits than its factorization.

23090188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4374 (or 4350 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 23090188 is about 4805.2250727723. The cubic root of 23090188 is about 284.7579272057.

The spelling of 23090188 in words is "twenty-three million, ninety thousand, one hundred eighty-eight".

Divisors: 1 2 4 11 22 44 121 242 484 1331 2662 4337 5324 8674 17348 47707 95414 190828 524777 1049554 2099108 5772547 11545094 23090188