Base | Representation |
---|---|
bin | 100010011101… |
… | …0100100100000 |
3 | 1020222211110212 |
4 | 1010322210200 |
5 | 14111100241 |
6 | 1443113252 |
7 | 306361445 |
oct | 104724440 |
9 | 36884425 |
10 | 18065696 |
11 | a21a030 |
12 | 6072828 |
13 | 3986b7c |
14 | 25839cc |
15 | 18bcbeb |
hex | 113a920 |
18065696 has 48 divisors (see below), whose sum is σ = 41096160. Its totient is φ = 7726080.
The previous prime is 18065693. The next prime is 18065711. The reversal of 18065696 is 69656081.
It is not an unprimeable number, because it can be changed into a prime (18065693) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4475 + ... + 7493.
It is an arithmetic number, because the mean of its divisors is an integer number (856170).
Almost surely, 218065696 is an apocalyptic number.
18065696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 18065696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20548080).
18065696 is an abundant number, since it is smaller than the sum of its proper divisors (23030464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18065696 is a wasteful number, since it uses less digits than its factorization.
18065696 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3057 (or 3049 counting only the distinct ones).
The product of its (nonzero) digits is 77760, while the sum is 41.
The square root of 18065696 is about 4250.3759833690. The cubic root of 18065696 is about 262.3925897669.
The spelling of 18065696 in words is "eighteen million, sixty-five thousand, six hundred ninety-six".
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