Base | Representation |
---|---|
bin | 110001100001101… |
… | …001101101011100 |
3 | 2010220111100121221 |
4 | 301201221231130 |
5 | 3200202431210 |
6 | 214241103124 |
7 | 26406402040 |
oct | 6141515534 |
9 | 2126440557 |
10 | 830905180 |
11 | 39702a3a6 |
12 | 1b2327aa4 |
13 | 1031b3b91 |
14 | 7c4d2020 |
15 | 4ce2e1da |
hex | 31869b5c |
830905180 has 48 divisors (see below), whose sum is σ = 2042824896. Its totient is φ = 277931520.
The previous prime is 830905171. The next prime is 830905213. The reversal of 830905180 is 81509038.
830905180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66639 + ... + 78118.
It is an arithmetic number, because the mean of its divisors is an integer number (42558852).
Almost surely, 2830905180 is an apocalyptic number.
It is an amenable number.
830905180 is an abundant number, since it is smaller than the sum of its proper divisors (1211919716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
830905180 is a wasteful number, since it uses less digits than its factorization.
830905180 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 144814 (or 144812 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 34.
The square root of 830905180 is about 28825.4259292035. The cubic root of 830905180 is about 940.1211478081.
The spelling of 830905180 in words is "eight hundred thirty million, nine hundred five thousand, one hundred eighty".
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