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90575088 = 2431886981
BaseRepresentation
bin1010110011000…
…01000011110000
320022102200122220
411121201003300
5141141400323
612553201040
72146606212
oct531410360
9208380586
1090575088
114714444a
1226400180
13159c3936
14c05a5b2
157e420e3
hex56610f0

90575088 has 20 divisors (see below), whose sum is σ = 233985768. Its totient is φ = 30191680.

The previous prime is 90575059. The next prime is 90575113. The reversal of 90575088 is 88057509.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 943443 + ... + 943538.

Almost surely, 290575088 is an apocalyptic number.

It is an amenable number.

90575088 is an abundant number, since it is smaller than the sum of its proper divisors (143410680).

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

90575088 is a wasteful number, since it uses less digits than its factorization.

90575088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886992 (or 1886986 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 42.

The square root of 90575088 is about 9517.0945146090. The cubic root of 90575088 is about 449.0929680524.

The spelling of 90575088 in words is "ninety million, five hundred seventy-five thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 1886981 3773962 5660943 7547924 11321886 15095848 22643772 30191696 45287544 90575088