Base | Representation |
---|---|
bin | 100010011100… |
… | …0001110000100 |
3 | 1020222100021021 |
4 | 1010320032010 |
5 | 14110243233 |
6 | 1443000524 |
7 | 306321412 |
oct | 104701604 |
9 | 36870237 |
10 | 18056068 |
11 | a212878 |
12 | 6069144 |
13 | 3982684 |
14 | 25802b2 |
15 | 18b9e2d |
hex | 1138384 |
18056068 has 12 divisors (see below), whose sum is σ = 31888780. Its totient is φ = 8944992.
The previous prime is 18056063. The next prime is 18056089. The reversal of 18056068 is 86065081.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 13527684 + 4528384 = 3678^2 + 2128^2 .
It is not an unprimeable number, because it can be changed into a prime (18056063) 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, 20271 + ... + 21142.
Almost surely, 218056068 is an apocalyptic number.
It is an amenable number.
18056068 is a deficient number, since it is larger than the sum of its proper divisors (13832712).
18056068 is a wasteful number, since it uses less digits than its factorization.
18056068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41526 (or 41524 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 34.
The square root of 18056068 is about 4249.2432267405. The cubic root of 18056068 is about 262.3459679857.
The spelling of 18056068 in words is "eighteen million, fifty-six thousand, sixty-eight".
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