Base | Representation |
---|---|
bin | 110001100000011… |
… | …010101001000111 |
3 | 2010212212220101002 |
4 | 301200122221013 |
5 | 3200112100234 |
6 | 214230123515 |
7 | 26403552611 |
oct | 6140325107 |
9 | 2125786332 |
10 | 830581319 |
11 | 396929047 |
12 | 1b21b059b |
13 | 1030cc649 |
14 | 7c449db1 |
15 | 4cdb827e |
hex | 3181aa47 |
830581319 has 2 divisors, whose sum is σ = 830581320. Its totient is φ = 830581318.
The previous prime is 830581259. The next prime is 830581327. The reversal of 830581319 is 913185038.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 830581319 - 228 = 562145863 is a prime.
It is a super-3 number, since 3×8305813193 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (830581369) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415290659 + 415290660.
It is an arithmetic number, because the mean of its divisors is an integer number (415290660).
Almost surely, 2830581319 is an apocalyptic number.
830581319 is a deficient number, since it is larger than the sum of its proper divisors (1).
830581319 is an equidigital number, since it uses as much as digits as its factorization.
830581319 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 25920, while the sum is 38.
The square root of 830581319 is about 28819.8077543900. The cubic root of 830581319 is about 939.9989886061.
The spelling of 830581319 in words is "eight hundred thirty million, five hundred eighty-one thousand, three hundred nineteen".
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