Base | Representation |
---|---|
bin | 100010010101… |
… | …0100111000101 |
3 | 1020212111210201 |
4 | 1010222213011 |
5 | 14102002300 |
6 | 1441450501 |
7 | 306000040 |
oct | 104524705 |
9 | 36774721 |
10 | 18000325 |
11 | a184a02 |
12 | 6040a31 |
13 | 39631a5 |
14 | 2567c57 |
15 | 18a866a |
hex | 112a9c5 |
18000325 has 12 divisors (see below), whose sum is σ = 25509280. Its totient is φ = 12342960.
The previous prime is 18000319. The next prime is 18000343. The reversal of 18000325 is 52300081.
It is a happy number.
It is not a de Polignac number, because 18000325 - 219 = 17476037 is a prime.
It is a congruent 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, 51255 + ... + 51604.
Almost surely, 218000325 is an apocalyptic number.
It is an amenable number.
18000325 is a deficient number, since it is larger than the sum of its proper divisors (7508955).
18000325 is a wasteful number, since it uses less digits than its factorization.
18000325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 102876 (or 102871 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 18000325 is about 4242.6789885637. The cubic root of 18000325 is about 262.0757167095.
The spelling of 18000325 in words is "eighteen million, three hundred twenty-five", and thus it is an aban number.
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