Base | Representation |
---|---|
bin | 1010001110000… |
… | …1111110010110 |
3 | 2222122221201001 |
4 | 2203201332112 |
5 | 41433244010 |
6 | 4130453514 |
7 | 1030243300 |
oct | 243417626 |
9 | 88587631 |
10 | 42868630 |
11 | 2221a922 |
12 | 1243429a |
13 | 8b5c46c |
14 | 599c970 |
15 | 3b6bc3a |
hex | 28e1f96 |
42868630 has 48 divisors (see below), whose sum is σ = 90862560. Its totient is φ = 14517888.
The previous prime is 42868627. The next prime is 42868783. The reversal of 42868630 is 3686824.
It is a self number, because there is not a number n which added to its sum of digits gives 42868630.
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, 43119 + ... + 44101.
It is an arithmetic number, because the mean of its divisors is an integer number (1892970).
Almost surely, 242868630 is an apocalyptic number.
42868630 is an abundant number, since it is smaller than the sum of its proper divisors (47993930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42868630 is a wasteful number, since it uses less digits than its factorization.
42868630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1093 (or 1086 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 37.
The square root of 42868630 is about 6547.4139933259. The cubic root of 42868630 is about 349.9826658082.
The spelling of 42868630 in words is "forty-two million, eight hundred sixty-eight thousand, six hundred thirty".
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