Base | Representation |
---|---|
bin | 110001100000010… |
… | …000000011010011 |
3 | 2010212210200212102 |
4 | 301200100003103 |
5 | 3200104203224 |
6 | 214225151015 |
7 | 26403312260 |
oct | 6140200323 |
9 | 2125720772 |
10 | 830537939 |
11 | 3968a94a0 |
12 | 1b218b46b |
13 | 1030b598a |
14 | 7c438267 |
15 | 4cdaa4ae |
hex | 318100d3 |
830537939 has 8 divisors (see below), whose sum is σ = 1035475968. Its totient is φ = 647172360.
The previous prime is 830537921. The next prime is 830537969. The reversal of 830537939 is 939735038.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 830537939 - 216 = 830472403 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 830537893 and 830537902.
It is not an unprimeable number, because it can be changed into a prime (830537969) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5393027 + ... + 5393180.
It is an arithmetic number, because the mean of its divisors is an integer number (129434496).
Almost surely, 2830537939 is an apocalyptic number.
830537939 is a deficient number, since it is larger than the sum of its proper divisors (204938029).
830537939 is a wasteful number, since it uses less digits than its factorization.
830537939 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10786225.
The product of its (nonzero) digits is 612360, while the sum is 47.
The square root of 830537939 is about 28819.0551371831. The cubic root of 830537939 is about 939.9826234150.
The spelling of 830537939 in words is "eight hundred thirty million, five hundred thirty-seven thousand, nine hundred thirty-nine".
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