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90200562 = 2319791233
BaseRepresentation
bin1010110000001…
…01100111110010
320021201122220120
411120011213302
5141042404222
612541151110
72143456254
oct530054762
9207648816
1090200562
1146a09021
122625b496
13158c231a
14bd9dcd4
157dbb15c
hex56059f2

90200562 has 16 divisors (see below), whose sum is σ = 189896160. Its totient is φ = 28484352.

The previous prime is 90200507. The next prime is 90200563. The reversal of 90200562 is 26500209.

It is a super-2 number, since 2×902005622 = 16272282770231688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90200563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395503 + ... + 395730.

It is an arithmetic number, because the mean of its divisors is an integer number (11868510).

Almost surely, 290200562 is an apocalyptic number.

90200562 is an abundant number, since it is smaller than the sum of its proper divisors (99695598).

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

90200562 is a wasteful number, since it uses less digits than its factorization.

90200562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791257.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 90200562 is about 9497.3976435653. The cubic root of 90200562 is about 448.4731163875.

The spelling of 90200562 in words is "ninety million, two hundred thousand, five hundred sixty-two".

Divisors: 1 2 3 6 19 38 57 114 791233 1582466 2373699 4747398 15033427 30066854 45100281 90200562