Base | Representation |
---|---|
bin | 10001000100010… |
… | …001000000010001 |
3 | 201221210010011001 |
4 | 101010101000101 |
5 | 1041300042042 |
6 | 44225022001 |
7 | 10044525646 |
oct | 2104210021 |
9 | 657703131 |
10 | 286330897 |
11 | 137698706 |
12 | 7ba84901 |
13 | 47423188 |
14 | 2a055dcd |
15 | 1a20dbb7 |
hex | 11111011 |
286330897 has 2 divisors, whose sum is σ = 286330898. Its totient is φ = 286330896.
The previous prime is 286330883. The next prime is 286330907. The reversal of 286330897 is 798033682.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 281937681 + 4393216 = 16791^2 + 2096^2 .
It is a cyclic number.
It is not a de Polignac number, because 286330897 - 27 = 286330769 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (286330697) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143165448 + 143165449.
It is an arithmetic number, because the mean of its divisors is an integer number (143165449).
Almost surely, 2286330897 is an apocalyptic number.
It is an amenable number.
286330897 is a deficient number, since it is larger than the sum of its proper divisors (1).
286330897 is an equidigital number, since it uses as much as digits as its factorization.
286330897 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 435456, while the sum is 46.
The square root of 286330897 is about 16921.3148720778. The cubic root of 286330897 is about 659.1072234102.
The spelling of 286330897 in words is "two hundred eighty-six million, three hundred thirty thousand, eight hundred ninety-seven".
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