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90304122 = 2315050687
BaseRepresentation
bin1010110000111…
…10111001111010
320021220220222010
411120132321322
5141104212442
612543310350
72144400216
oct530367172
9207826863
1090304122
1146a79907
12262ab3b6
131592a4bc
14bdc9946
157ddbb9c
hex561ee7a

90304122 has 8 divisors (see below), whose sum is σ = 180608256. Its totient is φ = 30101372.

The previous prime is 90304111. The next prime is 90304129. The reversal of 90304122 is 22140309.

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

90304122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (90304129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7525338 + ... + 7525349.

It is an arithmetic number, because the mean of its divisors is an integer number (22576032).

Almost surely, 290304122 is an apocalyptic number.

90304122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

90304122 is a wasteful number, since it uses less digits than its factorization.

90304122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15050692.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 90304122 is about 9502.8480993858. The cubic root of 90304122 is about 448.6446826248.

The spelling of 90304122 in words is "ninety million, three hundred four thousand, one hundred twenty-two".

Divisors: 1 2 3 6 15050687 30101374 45152061 90304122