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89904258 = 23222722003
BaseRepresentation
bin1010101101111…
…01010010000010
320021011121110100
411112331102002
5141003414013
612530543230
72141113353
oct526752202
9207147410
1089904258
1146826444
1226137b16
131581a4b2
14bd23d2a
157d5d473
hex55bd482

89904258 has 24 divisors (see below), whose sum is σ = 195659568. Its totient is φ = 29834712.

The previous prime is 89904253. The next prime is 89904277. The reversal of 89904258 is 85240998.

It is not an unprimeable number, because it can be changed into a prime (89904253) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6916 + ... + 15087.

It is an arithmetic number, because the mean of its divisors is an integer number (8152482).

Almost surely, 289904258 is an apocalyptic number.

89904258 is an abundant number, since it is smaller than the sum of its proper divisors (105755310).

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

89904258 is a wasteful number, since it uses less digits than its factorization.

89904258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22238 (or 22235 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 89904258 is about 9481.7855913325. The cubic root of 89904258 is about 447.9815076604.

The spelling of 89904258 in words is "eighty-nine million, nine hundred four thousand, two hundred fifty-eight".

Divisors: 1 2 3 6 9 18 227 454 681 1362 2043 4086 22003 44006 66009 132018 198027 396054 4994681 9989362 14984043 29968086 44952129 89904258