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18468112 = 241388789
BaseRepresentation
bin100011001110…
…0110100010000
31021202021111011
41012130310100
514211434422
61455500304
7312655615
oct106346420
937667434
1018468112
11a474403
126227694
133a980a0
14264a50c
15194c077
hex119cd10

18468112 has 20 divisors (see below), whose sum is σ = 38534860. Its totient is φ = 8523648.

The previous prime is 18468101. The next prime is 18468127. The reversal of 18468112 is 21186481.

It can be written as a sum of positive squares in 2 ways, for example, as 10265616 + 8202496 = 3204^2 + 2864^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44187 + ... + 44602.

It is an arithmetic number, because the mean of its divisors is an integer number (1926743).

Almost surely, 218468112 is an apocalyptic number.

It is an amenable number.

18468112 is an abundant number, since it is smaller than the sum of its proper divisors (20066748).

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

18468112 is a wasteful number, since it uses less digits than its factorization.

18468112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88810 (or 88804 counting only the distinct ones).

The product of its digits is 3072, while the sum is 31.

The square root of 18468112 is about 4297.4541300635. The cubic root of 18468112 is about 264.3265777852.

The spelling of 18468112 in words is "eighteen million, four hundred sixty-eight thousand, one hundred twelve".

Divisors: 1 2 4 8 13 16 26 52 104 208 88789 177578 355156 710312 1154257 1420624 2308514 4617028 9234056 18468112