Base | Representation |
---|---|
bin | 100010110001… |
… | …0111010111111 |
3 | 1021022020012022 |
4 | 1011202322333 |
5 | 14131342400 |
6 | 1450430355 |
7 | 310650350 |
oct | 105427277 |
9 | 37266168 |
10 | 18230975 |
11 | a322224 |
12 | 61323bb |
13 | 3a14179 |
14 | 25c7d27 |
15 | 1901b85 |
hex | 1162ebf |
18230975 has 24 divisors (see below), whose sum is σ = 27200640. Its totient is φ = 11841120.
The previous prime is 18230969. The next prime is 18231029. The reversal of 18230975 is 57903281.
It is not a de Polignac number, because 18230975 - 24 = 18230959 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 584 + ... + 6066.
It is an arithmetic number, because the mean of its divisors is an integer number (1133360).
Almost surely, 218230975 is an apocalyptic number.
18230975 is a deficient number, since it is larger than the sum of its proper divisors (8969665).
18230975 is a wasteful number, since it uses less digits than its factorization.
18230975 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5519 (or 5514 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 35.
The square root of 18230975 is about 4269.7745842140. The cubic root of 18230975 is about 263.1903521545.
The spelling of 18230975 in words is "eighteen million, two hundred thirty thousand, nine hundred seventy-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •