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90316764 = 22323180929
BaseRepresentation
bin1010110001000…
…01111111011100
320021221120022100
411120201333130
5141110114024
612543445100
72144452116
oct530417734
9207846270
1090316764
1146a8835a
12262b6790
1315933195
14bdd03b6
157de07c9
hex5621fdc

90316764 has 36 divisors (see below), whose sum is σ = 235668160. Its totient is φ = 29134080.

The previous prime is 90316753. The next prime is 90316769. The reversal of 90316764 is 46761309.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90316769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39349 + ... + 41580.

Almost surely, 290316764 is an apocalyptic number.

It is an amenable number.

90316764 is an abundant number, since it is smaller than the sum of its proper divisors (145351396).

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

90316764 is a wasteful number, since it uses less digits than its factorization.

90316764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80970 (or 80965 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 90316764 is about 9503.5132451110. The cubic root of 90316764 is about 448.6656174441.

The spelling of 90316764 in words is "ninety million, three hundred sixteen thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 18 31 36 62 93 124 186 279 372 558 1116 80929 161858 242787 323716 485574 728361 971148 1456722 2508799 2913444 5017598 7526397 10035196 15052794 22579191 30105588 45158382 90316764