Base | Representation |
---|---|
bin | 1010000111011… |
… | …0011011100010 |
3 | 2221211120110020 |
4 | 2201312123202 |
5 | 41330200010 |
6 | 4113214310 |
7 | 1023430113 |
oct | 241663342 |
9 | 87746406 |
10 | 42428130 |
11 | 21a49978 |
12 | 12261396 |
13 | 8a36b04 |
14 | 58c620a |
15 | 3ad1470 |
hex | 28766e2 |
42428130 has 32 divisors (see below), whose sum is σ = 102242304. Its totient is φ = 11268096.
The previous prime is 42428093. The next prime is 42428147. The reversal of 42428130 is 3182424.
42428130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 42428130.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4959 + ... + 10461.
It is an arithmetic number, because the mean of its divisors is an integer number (3195072).
Almost surely, 242428130 is an apocalyptic number.
42428130 is an abundant number, since it is smaller than the sum of its proper divisors (59814174).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42428130 is a wasteful number, since it uses less digits than its factorization.
42428130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5770.
The product of its (nonzero) digits is 1536, while the sum is 24.
The square root of 42428130 is about 6513.6878955013. The cubic root of 42428130 is about 348.7797780357.
The spelling of 42428130 in words is "forty-two million, four hundred twenty-eight thousand, one hundred thirty".
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