Base | Representation |
---|---|
bin | 100010011101… |
… | …1010001011111 |
3 | 1020222222102111 |
4 | 1010323101133 |
5 | 14111143300 |
6 | 1443134451 |
7 | 306403030 |
oct | 104732137 |
9 | 36888374 |
10 | 18068575 |
11 | a221208 |
12 | 6074427 |
13 | 3988285 |
14 | 2584a87 |
15 | 18bd9ba |
hex | 113b45f |
18068575 has 24 divisors (see below), whose sum is σ = 25776128. Its totient is φ = 12307680.
The previous prime is 18068549. The next prime is 18068579. The reversal of 18068575 is 57586081.
It is not a de Polignac number, because 18068575 - 219 = 17544287 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18068579) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38794 + ... + 39256.
Almost surely, 218068575 is an apocalyptic number.
18068575 is a deficient number, since it is larger than the sum of its proper divisors (7707553).
18068575 is a wasteful number, since it uses less digits than its factorization.
18068575 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 703 (or 698 counting only the distinct ones).
The product of its (nonzero) digits is 67200, while the sum is 40.
The square root of 18068575 is about 4250.7146457978. The cubic root of 18068575 is about 262.4065275663.
The spelling of 18068575 in words is "eighteen million, sixty-eight thousand, five hundred seventy-five".
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