Base | Representation |
---|---|
bin | 1010000010110… |
… | …1110110101100 |
3 | 2221021110200020 |
4 | 2200231312230 |
5 | 41241141420 |
6 | 4103002140 |
7 | 1021051332 |
oct | 240556654 |
9 | 87243606 |
10 | 42130860 |
11 | 218665a2 |
12 | 12139350 |
13 | 8961705 |
14 | 5849b52 |
15 | 3a73340 |
hex | 282ddac |
42130860 has 48 divisors (see below), whose sum is σ = 121777152. Its totient is φ = 10872000.
The previous prime is 42130849. The next prime is 42130867. The reversal of 42130860 is 6803124.
It is a happy number.
42130860 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 42130860.
It is not an unprimeable number, because it can be changed into a prime (42130867) by changing a digit.
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, 9466 + ... + 13185.
It is an arithmetic number, because the mean of its divisors is an integer number (2537024).
Almost surely, 242130860 is an apocalyptic number.
It is an amenable number.
42130860 is an abundant number, since it is smaller than the sum of its proper divisors (79646292).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42130860 is a wasteful number, since it uses less digits than its factorization.
42130860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22694 (or 22692 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 24.
The square root of 42130860 is about 6490.8289147073. The cubic root of 42130860 is about 347.9633003973.
Adding to 42130860 its reverse (6803124), we get a palindrome (48933984).
The spelling of 42130860 in words is "forty-two million, one hundred thirty thousand, eight hundred sixty".
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