Base | Representation |
---|---|
bin | 111010011001011… |
… | …010000011001110 |
3 | 2112021112220000100 |
4 | 322121122003032 |
5 | 4001303120310 |
6 | 241115111530 |
7 | 33164433300 |
oct | 7231320316 |
9 | 2467486010 |
10 | 979738830 |
11 | 463045314 |
12 | 2341425a6 |
13 | 127c94c25 |
14 | 94195970 |
15 | 5b02cec0 |
hex | 3a65a0ce |
979738830 has 72 divisors (see below), whose sum is σ = 2963223432. Its totient is φ = 223939296.
The previous prime is 979738801. The next prime is 979738841. The reversal of 979738830 is 38837979.
979738830 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 35 ways as a sum of consecutive naturals, for example, 106672 + ... + 115491.
It is an arithmetic number, because the mean of its divisors is an integer number (41155881).
Almost surely, 2979738830 is an apocalyptic number.
979738830 is a gapful number since it is divisible by the number (90) formed by its first and last digit.
979738830 is an abundant number, since it is smaller than the sum of its proper divisors (1983484602).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
979738830 is a wasteful number, since it uses less digits than its factorization.
979738830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 222190 (or 222180 counting only the distinct ones).
The product of its (nonzero) digits is 2286144, while the sum is 54.
The square root of 979738830 is about 31300.7800222295. The cubic root of 979738830 is about 993.2001434212.
The spelling of 979738830 in words is "nine hundred seventy-nine million, seven hundred thirty-eight thousand, eight hundred thirty".
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