Base | Representation |
---|---|
bin | 10000101001101010… |
… | …00111111000011110 |
3 | 212002000001211001210 |
4 | 20110311013320132 |
5 | 121301441423310 |
6 | 4035014245250 |
7 | 434345454516 |
oct | 102465077036 |
9 | 25060054053 |
10 | 8939404830 |
11 | 3878074184 |
12 | 1895956826 |
13 | ac6055475 |
14 | 60b360846 |
15 | 374c0c820 |
hex | 214d47e1e |
8939404830 has 16 divisors (see below), whose sum is σ = 21454571664. Its totient is φ = 2383841280.
The previous prime is 8939404823. The next prime is 8939404847. The reversal of 8939404830 is 384049398.
8939404830 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 8939404830.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148990051 + ... + 148990110.
It is an arithmetic number, because the mean of its divisors is an integer number (1340910729).
Almost surely, 28939404830 is an apocalyptic number.
8939404830 is an abundant number, since it is smaller than the sum of its proper divisors (12515166834).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8939404830 is a wasteful number, since it uses less digits than its factorization.
8939404830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 297980171.
The product of its (nonzero) digits is 746496, while the sum is 48.
The square root of 8939404830 is about 94548.4258462297. The cubic root of 8939404830 is about 2075.4050463943.
The spelling of 8939404830 in words is "eight billion, nine hundred thirty-nine million, four hundred four thousand, eight hundred thirty".
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