Base | Representation |
---|---|
bin | 100010111001… |
… | …0100111100100 |
3 | 1021102111101112 |
4 | 1011302213210 |
5 | 14140422033 |
6 | 1452044152 |
7 | 311335655 |
oct | 105624744 |
9 | 37374345 |
10 | 18295268 |
11 | a366562 |
12 | 6163658 |
13 | 3a37504 |
14 | 260352c |
15 | 1915c48 |
hex | 11729e4 |
18295268 has 12 divisors (see below), whose sum is σ = 32158140. Its totient is φ = 9107232.
The previous prime is 18295261. The next prime is 18295273. The reversal of 18295268 is 86259281.
It can be written as a sum of positive squares in 2 ways, for example, as 12687844 + 5607424 = 3562^2 + 2368^2 .
It is not an unprimeable number, because it can be changed into a prime (18295261) 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, 9071 + ... + 10902.
It is an arithmetic number, because the mean of its divisors is an integer number (2679845).
Almost surely, 218295268 is an apocalyptic number.
It is an amenable number.
18295268 is a deficient number, since it is larger than the sum of its proper divisors (13862872).
18295268 is a wasteful number, since it uses less digits than its factorization.
18295268 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20206 (or 20204 counting only the distinct ones).
The product of its digits is 69120, while the sum is 41.
The square root of 18295268 is about 4277.2968099023. The cubic root of 18295268 is about 263.4993764890.
The spelling of 18295268 in words is "eighteen million, two hundred ninety-five thousand, two hundred sixty-eight".
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