Base | Representation |
---|---|
bin | 100010100001… |
… | …0001110110011 |
3 | 1021001102112001 |
4 | 1011002032303 |
5 | 14113101300 |
6 | 1443514431 |
7 | 306552103 |
oct | 105021663 |
9 | 37042461 |
10 | 18097075 |
11 | a240667 |
12 | 6088a17 |
13 | 3998239 |
14 | 2591203 |
15 | 18c716a |
hex | 11423b3 |
18097075 has 12 divisors (see below), whose sum is σ = 22583128. Its totient is φ = 14385600.
The previous prime is 18097069. The next prime is 18097097. The reversal of 18097075 is 57079081.
It is not a de Polignac number, because 18097075 - 25 = 18097043 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1855 + ... + 6295.
Almost surely, 218097075 is an apocalyptic number.
18097075 is a deficient number, since it is larger than the sum of its proper divisors (4486053).
18097075 is a wasteful number, since it uses less digits than its factorization.
18097075 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4614 (or 4609 counting only the distinct ones).
The product of its (nonzero) digits is 17640, while the sum is 37.
The square root of 18097075 is about 4254.0657023605. The cubic root of 18097075 is about 262.5444218095.
The spelling of 18097075 in words is "eighteen million, ninety-seven thousand, seventy-five".
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