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18368084 = 2274611423
BaseRepresentation
bin100011000010…
…0011001010100
31021120012021102
41012010121110
514200234314
61453405232
7312061160
oct106043124
937505242
1018368084
11a406239
126199818
133a616b7
142621ca0
15192c5de
hex1184654

18368084 has 24 divisors (see below), whose sum is σ = 36841728. Its totient is φ = 7849440.

The previous prime is 18368071. The next prime is 18368111. The reversal of 18368084 is 48086381.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12197 + ... + 13619.

It is an arithmetic number, because the mean of its divisors is an integer number (1535072).

Almost surely, 218368084 is an apocalyptic number.

18368084 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18368084 is an abundant number, since it is smaller than the sum of its proper divisors (18473644).

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

18368084 is a wasteful number, since it uses less digits than its factorization.

18368084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895 (or 1893 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 18368084 is about 4285.8002753278. The cubic root of 18368084 is about 263.8484935709.

The spelling of 18368084 in words is "eighteen million, three hundred sixty-eight thousand, eighty-four".

Divisors: 1 2 4 7 14 28 461 922 1423 1844 2846 3227 5692 6454 9961 12908 19922 39844 656003 1312006 2624012 4592021 9184042 18368084