Base | Representation |
---|---|
bin | 10000111111101… |
… | …100110111101100 |
3 | 201212112022202020 |
4 | 100333230313230 |
5 | 1040443244231 |
6 | 44143230140 |
7 | 10031413245 |
oct | 2077546754 |
9 | 655468666 |
10 | 285134316 |
11 | 136a506a5 |
12 | 7b5a8350 |
13 | 470c463c |
14 | 29c23ccc |
15 | 1a074396 |
hex | 10fecdec |
285134316 has 12 divisors (see below), whose sum is σ = 665313432. Its totient is φ = 95044768.
The previous prime is 285134309. The next prime is 285134363. The reversal of 285134316 is 613431582.
It is a tau number, because it is divible by the number of its divisors (12).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11880585 + ... + 11880608.
It is an arithmetic number, because the mean of its divisors is an integer number (55442786).
Almost surely, 2285134316 is an apocalyptic number.
It is an amenable number.
285134316 is an abundant number, since it is smaller than the sum of its proper divisors (380179116).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
285134316 is a wasteful number, since it uses less digits than its factorization.
285134316 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23761200 (or 23761198 counting only the distinct ones).
The product of its digits is 17280, while the sum is 33.
The square root of 285134316 is about 16885.9206441343. The cubic root of 285134316 is about 658.1878018891.
Adding to 285134316 its reverse (613431582), we get a palindrome (898565898).
The spelling of 285134316 in words is "two hundred eighty-five million, one hundred thirty-four thousand, three hundred sixteen".
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