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18334086 = 234337057
BaseRepresentation
bin100010111110…
…0000110000110
31021111110122020
41011330012012
514143142321
61452544010
7311560101
oct105740606
937443566
1018334086
11a392741
126182006
133a4c094
142613738
1519224c6
hex117c186

18334086 has 16 divisors (see below), whose sum is σ = 36758064. Its totient is φ = 6096384.

The previous prime is 18334027. The next prime is 18334087. The reversal of 18334086 is 68043381.

It is a super-2 number, since 2×183340862 = 672277418910792, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18334087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 931 + ... + 6126.

It is an arithmetic number, because the mean of its divisors is an integer number (2297379).

Almost surely, 218334086 is an apocalyptic number.

18334086 is an abundant number, since it is smaller than the sum of its proper divisors (18423978).

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

18334086 is a wasteful number, since it uses less digits than its factorization.

18334086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7495.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 18334086 is about 4281.8320845171. The cubic root of 18334086 is about 263.6856048476.

The spelling of 18334086 in words is "eighteen million, three hundred thirty-four thousand, eighty-six".

Divisors: 1 2 3 6 433 866 1299 2598 7057 14114 21171 42342 3055681 6111362 9167043 18334086