Base | Representation |
---|---|
bin | 100010011111… |
… | …1100011000100 |
3 | 1021000212102222 |
4 | 1010333203010 |
5 | 14112223314 |
6 | 1443351512 |
7 | 306505052 |
oct | 104774304 |
9 | 37025388 |
10 | 18086084 |
11 | a233385 |
12 | 6082598 |
13 | 3993233 |
14 | 258b1d2 |
15 | 18c3c8e |
hex | 113f8c4 |
18086084 has 12 divisors (see below), whose sum is σ = 32422908. Its totient is φ = 8822400.
The previous prime is 18086071. The next prime is 18086093. The reversal of 18086084 is 48068081.
It can be written as a sum of positive squares in 2 ways, for example, as 2656900 + 15429184 = 1630^2 + 3928^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54977 + ... + 55304.
It is an arithmetic number, because the mean of its divisors is an integer number (2701909).
Almost surely, 218086084 is an apocalyptic number.
It is an amenable number.
18086084 is a deficient number, since it is larger than the sum of its proper divisors (14336824).
18086084 is a wasteful number, since it uses less digits than its factorization.
18086084 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 110326 (or 110324 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 35.
The square root of 18086084 is about 4252.7736831390. The cubic root of 18086084 is about 262.4912601776.
The spelling of 18086084 in words is "eighteen million, eighty-six thousand, eighty-four".
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