Base | Representation |
---|---|
bin | 100010110011… |
… | …0100010001000 |
3 | 1021022222111012 |
4 | 1011212202020 |
5 | 14132331033 |
6 | 1451023052 |
7 | 311041442 |
oct | 105464210 |
9 | 37288435 |
10 | 18245768 |
11 | a332352 |
12 | 613aa88 |
13 | 3a1ab18 |
14 | 25cd492 |
15 | 1906248 |
hex | 1166888 |
18245768 has 16 divisors (see below), whose sum is σ = 34273680. Its totient is φ = 9106128.
The previous prime is 18245767. The next prime is 18245789. The reversal of 18245768 is 86754281.
It is a plaindrome in base 16.
It is a zygodrome in base 16.
It is not an unprimeable number, because it can be changed into a prime (18245767) 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, 3371 + ... + 6917.
It is an arithmetic number, because the mean of its divisors is an integer number (2142105).
Almost surely, 218245768 is an apocalyptic number.
It is an amenable number.
18245768 is a deficient number, since it is larger than the sum of its proper divisors (16027912).
18245768 is a wasteful number, since it uses less digits than its factorization.
18245768 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4196 (or 4192 counting only the distinct ones).
The product of its digits is 107520, while the sum is 41.
The square root of 18245768 is about 4271.5065258056. The cubic root of 18245768 is about 263.2615189882.
The spelling of 18245768 in words is "eighteen million, two hundred forty-five thousand, seven hundred sixty-eight".
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