Base | Representation |
---|---|
bin | 110001100000000… |
… | …110110010111111 |
3 | 2010212201202212102 |
4 | 301200012302333 |
5 | 3200102000111 |
6 | 214224255315 |
7 | 26403063614 |
oct | 6140066277 |
9 | 2125652772 |
10 | 830500031 |
11 | 396882a69 |
12 | 1b217153b |
13 | 1030a164a |
14 | 7c42850b |
15 | 4cd9e13b |
hex | 31806cbf |
830500031 has 8 divisors (see below), whose sum is σ = 917586144. Its totient is φ = 747662080.
The previous prime is 830500001. The next prime is 830500043. The reversal of 830500031 is 130005038.
830500031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-830500031 is a prime.
It is a super-2 number, since 2×8305000312 = 1379460602982001922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 830499976 and 830500012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (830500001) 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, 1061630 + ... + 1062411.
It is an arithmetic number, because the mean of its divisors is an integer number (114698268).
Almost surely, 2830500031 is an apocalyptic number.
830500031 is a deficient number, since it is larger than the sum of its proper divisors (87086113).
830500031 is a wasteful number, since it uses less digits than its factorization.
830500031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2124081.
The product of its (nonzero) digits is 360, while the sum is 20.
The square root of 830500031 is about 28818.3974398300. The cubic root of 830500031 is about 939.9683220802.
Adding to 830500031 its reverse (130005038), we get a palindrome (960505069).
The spelling of 830500031 in words is "eight hundred thirty million, five hundred thousand, thirty-one".
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