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90510853 = 7911310139
BaseRepresentation
bin1010110010100…
…01011000000101
320022022102112211
411121101120011
5141132321403
612551543421
72146221016
oct531213005
9208272484
1090510853
1147100164
122638ab71
13159a0624
14c04100d
157e2d06d
hex5651605

90510853 has 8 divisors (see below), whose sum is σ = 92476800. Its totient is φ = 88565568.

The previous prime is 90510841. The next prime is 90510857. The reversal of 90510853 is 35801509.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90510853 - 217 = 90379781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90510857) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3858 + ... + 13996.

It is an arithmetic number, because the mean of its divisors is an integer number (11559600).

Almost surely, 290510853 is an apocalyptic number.

It is an amenable number.

90510853 is a deficient number, since it is larger than the sum of its proper divisors (1965947).

90510853 is a wasteful number, since it uses less digits than its factorization.

90510853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10331.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 90510853 is about 9513.7191991355. The cubic root of 90510853 is about 448.9867787768.

The spelling of 90510853 in words is "ninety million, five hundred ten thousand, eight hundred fifty-three".

Divisors: 1 79 113 8927 10139 800981 1145707 90510853