Base | Representation |
---|---|
bin | 110001011110101… |
… | …010110100011101 |
3 | 2010212000122002011 |
4 | 301132222310131 |
5 | 3200002421133 |
6 | 214212231221 |
7 | 26366634346 |
oct | 6136526435 |
9 | 2125018064 |
10 | 830123293 |
11 | 396645a0a |
12 | 1b200b511 |
13 | 102c9c01c |
14 | 7c36b0cd |
15 | 4cd276cd |
hex | 317aad1d |
830123293 has 2 divisors, whose sum is σ = 830123294. Its totient is φ = 830123292.
The previous prime is 830123257. The next prime is 830123309. The reversal of 830123293 is 392321038.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 460445764 + 369677529 = 21458^2 + 19227^2 .
It is a cyclic number.
It is not a de Polignac number, because 830123293 - 217 = 829992221 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (830123993) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415061646 + 415061647.
It is an arithmetic number, because the mean of its divisors is an integer number (415061647).
Almost surely, 2830123293 is an apocalyptic number.
It is an amenable number.
830123293 is a deficient number, since it is larger than the sum of its proper divisors (1).
830123293 is an equidigital number, since it uses as much as digits as its factorization.
830123293 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 7776, while the sum is 31.
The square root of 830123293 is about 28811.8602835707. The cubic root of 830123293 is about 939.8261686254.
The spelling of 830123293 in words is "eight hundred thirty million, one hundred twenty-three thousand, two hundred ninety-three".
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