Base | Representation |
---|---|
bin | 100010111010… |
… | …0011111010110 |
3 | 1021102212220110 |
4 | 1011310133112 |
5 | 14141143214 |
6 | 1452143450 |
7 | 311400216 |
oct | 105643726 |
9 | 37385813 |
10 | 18302934 |
11 | a3712a1 |
12 | 6167b86 |
13 | 3a3ab50 |
14 | 2606246 |
15 | 1918159 |
hex | 11747d6 |
18302934 has 16 divisors (see below), whose sum is σ = 39421872. Its totient is φ = 5631648.
The previous prime is 18302923. The next prime is 18302951. The reversal of 18302934 is 43920381.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117249 + ... + 117404.
It is an arithmetic number, because the mean of its divisors is an integer number (2463867).
Almost surely, 218302934 is an apocalyptic number.
18302934 is an abundant number, since it is smaller than the sum of its proper divisors (21118938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18302934 is a wasteful number, since it uses less digits than its factorization.
18302934 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 234671.
The product of its (nonzero) digits is 5184, while the sum is 30.
The square root of 18302934 is about 4278.1928427784. The cubic root of 18302934 is about 263.5361747867.
The spelling of 18302934 in words is "eighteen million, three hundred two thousand, nine hundred thirty-four".
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