Base | Representation |
---|---|
bin | 100011011111… |
… | …0111111011101 |
3 | 1022000101111122 |
4 | 1012332333131 |
5 | 14230424333 |
6 | 1502500325 |
7 | 314111000 |
oct | 106767735 |
9 | 38011448 |
10 | 18608093 |
11 | a55a599 |
12 | 62946a5 |
13 | 3b16a0a |
14 | 2685537 |
15 | 1978798 |
hex | 11befdd |
18608093 has 8 divisors (see below), whose sum is σ = 21700800. Its totient is φ = 15949500.
The previous prime is 18608089. The next prime is 18608113. The reversal of 18608093 is 39080681.
It is not a de Polignac number, because 18608093 - 22 = 18608089 is a prime.
It is a super-2 number, since 2×186080932 = 692522250193298, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18602093) 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, 26783 + ... + 27468.
It is an arithmetic number, because the mean of its divisors is an integer number (2712600).
Almost surely, 218608093 is an apocalyptic number.
It is an amenable number.
18608093 is a deficient number, since it is larger than the sum of its proper divisors (3092707).
18608093 is an frugal number, since it uses more digits than its factorization.
18608093 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54272 (or 54258 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 35.
The square root of 18608093 is about 4313.7098882516. The cubic root of 18608093 is about 264.9927279362.
The spelling of 18608093 in words is "eighteen million, six hundred eight thousand, ninety-three".
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