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90416800 = 2552113021
BaseRepresentation
bin1010110001110…
…10011010100000
320022010122112101
411120322122200
5141121314200
612545540144
72145346555
oct530723240
9208118471
1090416800
1147046531
1226344654
1315969886
14c018a2c
157e1026a
hex563a6a0

90416800 has 36 divisors (see below), whose sum is σ = 220731966. Its totient is φ = 36166400.

The previous prime is 90416773. The next prime is 90416803. The reversal of 90416800 is 861409.

It can be written as a sum of positive squares in 3 ways, for example, as 76667536 + 13749264 = 8756^2 + 3708^2 .

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (90416803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55711 + ... + 57310.

Almost surely, 290416800 is an apocalyptic number.

It is an amenable number.

90416800 is an abundant number, since it is smaller than the sum of its proper divisors (130315166).

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

90416800 is a wasteful number, since it uses less digits than its factorization.

90416800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113041 (or 113028 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 90416800 is about 9508.7748948011. The cubic root of 90416800 is about 448.8312055772.

The spelling of 90416800 in words is "ninety million, four hundred sixteen thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 113021 226042 452084 565105 904168 1130210 1808336 2260420 2825525 3616672 4520840 5651050 9041680 11302100 18083360 22604200 45208400 90416800