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18047092 = 227292077
BaseRepresentation
bin100010011011…
…0000001110100
31020221212221211
41010312001310
514110001332
61442451204
7306253300
oct104660164
936855854
1018047092
11a207058
126063b04
13397b56b
14257ad00
1518b7447
hex1136074

18047092 has 18 divisors (see below), whose sum is σ = 36739122. Its totient is φ = 7734384.

The previous prime is 18047089. The next prime is 18047173. The reversal of 18047092 is 29074081.

It can be written as a sum of positive squares in only one way, i.e., 16597476 + 1449616 = 4074^2 + 1204^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45843 + ... + 46234.

Almost surely, 218047092 is an apocalyptic number.

It is an amenable number.

18047092 is an abundant number, since it is smaller than the sum of its proper divisors (18692030).

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

18047092 is a wasteful number, since it uses less digits than its factorization.

18047092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92095 (or 92086 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 18047092 is about 4248.1869073759. The cubic root of 18047092 is about 262.3024884617.

The spelling of 18047092 in words is "eighteen million, forty-seven thousand, ninety-two".

Divisors: 1 2 4 7 14 28 49 98 196 92077 184154 368308 644539 1289078 2578156 4511773 9023546 18047092