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90264260 = 2254513213
BaseRepresentation
bin1010110000101…
…01001011000100
320021211220021202
411120111023010
5141101424020
612542402032
72144143052
oct530251304
9207756252
1090264260
1146a51969
1226290318
1315915308
14bdb91d2
157dcee75
hex56152c4

90264260 has 12 divisors (see below), whose sum is σ = 189554988. Its totient is φ = 36105696.

The previous prime is 90264257. The next prime is 90264289. The reversal of 90264260 is 6246209.

It can be written as a sum of positive squares in 2 ways, for example, as 69488896 + 20775364 = 8336^2 + 4558^2 .

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, 2256587 + ... + 2256626.

It is an arithmetic number, because the mean of its divisors is an integer number (15796249).

Almost surely, 290264260 is an apocalyptic number.

It is an amenable number.

90264260 is an abundant number, since it is smaller than the sum of its proper divisors (99290728).

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

90264260 is a wasteful number, since it uses less digits than its factorization.

90264260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4513222 (or 4513220 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 90264260 is about 9500.7504966713. The cubic root of 90264260 is about 448.5786594060.

The spelling of 90264260 in words is "ninety million, two hundred sixty-four thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 4513213 9026426 18052852 22566065 45132130 90264260