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18083364 = 22313196101
BaseRepresentation
bin100010011111…
…0111000100100
31021000201201020
41010332320210
514112131424
61443331140
7306464115
oct104767044
937021636
1018083364
11a231332
126080ab0
133991c20
14258a20c
1518c3079
hex113ee24

18083364 has 48 divisors (see below), whose sum is σ = 47839680. Its totient is φ = 5270400.

The previous prime is 18083357. The next prime is 18083369. The reversal of 18083364 is 46338081.

It is not an unprimeable number, because it can be changed into a prime (18083369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87 + ... + 6014.

It is an arithmetic number, because the mean of its divisors is an integer number (996660).

Almost surely, 218083364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18083364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23919840).

18083364 is an abundant number, since it is smaller than the sum of its proper divisors (29756316).

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

18083364 is a wasteful number, since it uses less digits than its factorization.

18083364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6140 (or 6138 counting only the distinct ones).

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

The square root of 18083364 is about 4252.4538798205. The cubic root of 18083364 is about 262.4781006674.

The spelling of 18083364 in words is "eighteen million, eighty-three thousand, three hundred sixty-four".

Divisors: 1 2 3 4 6 12 13 19 26 38 39 52 57 76 78 114 156 228 247 494 741 988 1482 2964 6101 12202 18303 24404 36606 73212 79313 115919 158626 231838 237939 317252 347757 463676 475878 695514 951756 1391028 1506947 3013894 4520841 6027788 9041682 18083364