Base | Representation |
---|---|
bin | 110001100001010… |
… | …111100101100011 |
3 | 2010220100120210120 |
4 | 301201113211203 |
5 | 3200143042242 |
6 | 214235331323 |
7 | 26405642442 |
oct | 6141274543 |
9 | 2126316716 |
10 | 830830947 |
11 | 396a89651 |
12 | 1b22b0b43 |
13 | 10318915b |
14 | 7c4b2d59 |
15 | 4ce171ec |
hex | 31857963 |
830830947 has 16 divisors (see below), whose sum is σ = 1148580000. Its totient is φ = 533571584.
The previous prime is 830830937. The next prime is 830830961. The reversal of 830830947 is 749038038.
830830947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 830830947 - 28 = 830830691 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 830830899 and 830830908.
It is not an unprimeable number, because it can be changed into a prime (830830927) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28429 + ... + 49697.
It is an arithmetic number, because the mean of its divisors is an integer number (71786250).
Almost surely, 2830830947 is an apocalyptic number.
830830947 is a gapful number since it is divisible by the number (87) formed by its first and last digit.
830830947 is a deficient number, since it is larger than the sum of its proper divisors (317749053).
830830947 is a wasteful number, since it uses less digits than its factorization.
830830947 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21750.
The product of its (nonzero) digits is 145152, while the sum is 42.
The square root of 830830947 is about 28824.1382698599. The cubic root of 830830947 is about 940.0931501925.
The spelling of 830830947 in words is "eight hundred thirty million, eight hundred thirty thousand, nine hundred forty-seven".
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