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90253792 = 254168791
BaseRepresentation
bin1010110000100…
…10100111100000
320021211100221001
411120102213200
5141101110132
612542241344
72144100406
oct530224740
9207740831
1090253792
1146a45012
1226286254
1315910615
14bdb5476
157dcbce7
hex56129e0

90253792 has 24 divisors (see below), whose sum is σ = 182023632. Its totient is φ = 44025600.

The previous prime is 90253789. The next prime is 90253811. The reversal of 90253792 is 29735209.

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, 33084 + ... + 35707.

It is an arithmetic number, because the mean of its divisors is an integer number (7584318).

Almost surely, 290253792 is an apocalyptic number.

It is an amenable number.

90253792 is an abundant number, since it is smaller than the sum of its proper divisors (91769840).

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

90253792 is a wasteful number, since it uses less digits than its factorization.

90253792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68842 (or 68834 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 90253792 is about 9500.1995768510. The cubic root of 90253792 is about 448.5613180908.

The spelling of 90253792 in words is "ninety million, two hundred fifty-three thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 16 32 41 82 164 328 656 1312 68791 137582 275164 550328 1100656 2201312 2820431 5640862 11281724 22563448 45126896 90253792