Base | Representation |
---|---|
bin | 100010100000… |
… | …0000001100100 |
3 | 1021000222010021 |
4 | 1011000001210 |
5 | 14112304121 |
6 | 1443404524 |
7 | 306513541 |
oct | 105000144 |
9 | 37028107 |
10 | 18088036 |
11 | a23489a |
12 | 6083744 |
13 | 39940a5 |
14 | 258bbc8 |
15 | 18c4641 |
hex | 1140064 |
18088036 has 24 divisors (see below), whose sum is σ = 32736704. Its totient is φ = 8739360.
The previous prime is 18088033. The next prime is 18088039. The reversal of 18088036 is 63088081.
It is an interprime number because it is at equal distance from previous prime (18088033) and next prime (18088039).
It is a junction number, because it is equal to n+sod(n) for n = 18087992 and 18088010.
It is not an unprimeable number, because it can be changed into a prime (18088033) 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, 17206 + ... + 18226.
Almost surely, 218088036 is an apocalyptic number.
It is an amenable number.
18088036 is a deficient number, since it is larger than the sum of its proper divisors (14648668).
18088036 is a wasteful number, since it uses less digits than its factorization.
18088036 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1171 (or 1169 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 34.
The square root of 18088036 is about 4253.0031742288. The cubic root of 18088036 is about 262.5007032483.
The spelling of 18088036 in words is "eighteen million, eighty-eight thousand, thirty-six".
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