Base | Representation |
---|---|
bin | 100010100001… |
… | …0011111111000 |
3 | 1021001111000112 |
4 | 1011002133320 |
5 | 14113120133 |
6 | 1443523452 |
7 | 306555224 |
oct | 105023770 |
9 | 37044015 |
10 | 18098168 |
11 | a241470 |
12 | 6089588 |
13 | 399889a |
14 | 2591784 |
15 | 18c7648 |
hex | 11427f8 |
18098168 has 16 divisors (see below), whose sum is σ = 37019160. Its totient is φ = 8226400.
The previous prime is 18098167. The next prime is 18098173. The reversal of 18098168 is 86189081.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18098161) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102743 + ... + 102918.
Almost surely, 218098168 is an apocalyptic number.
It is an amenable number.
18098168 is an abundant number, since it is smaller than the sum of its proper divisors (18920992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18098168 is a wasteful number, since it uses less digits than its factorization.
18098168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 205678 (or 205674 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 41.
The square root of 18098168 is about 4254.1941657616. The cubic root of 18098168 is about 262.5497072912.
The spelling of 18098168 in words is "eighteen million, ninety-eight thousand, one hundred sixty-eight".
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