Base | Representation |
---|---|
bin | 100010101100… |
… | …1101010110011 |
3 | 1021020022012121 |
4 | 1011121222303 |
5 | 14124134300 |
6 | 1445535111 |
7 | 310432015 |
oct | 105315263 |
9 | 37208177 |
10 | 18193075 |
11 | a2a67aa |
12 | 6114497 |
13 | 39ccb44 |
14 | 25b81b5 |
15 | 18e581a |
hex | 1159ab3 |
18193075 has 12 divisors (see below), whose sum is σ = 22631488. Its totient is φ = 14508000.
The previous prime is 18193061. The next prime is 18193117. The reversal of 18193075 is 57039181.
It is a happy number.
It is not a de Polignac number, because 18193075 - 219 = 17668787 is a prime.
It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 18193075.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8350 + ... + 10300.
Almost surely, 218193075 is an apocalyptic number.
18193075 is a deficient number, since it is larger than the sum of its proper divisors (4438413).
18193075 is a wasteful number, since it uses less digits than its factorization.
18193075 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2334 (or 2329 counting only the distinct ones).
The product of its (nonzero) digits is 7560, while the sum is 34.
The square root of 18193075 is about 4265.3341018026. The cubic root of 18193075 is about 263.0078452844.
The spelling of 18193075 in words is "eighteen million, one hundred ninety-three thousand, seventy-five".
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