Base | Representation |
---|---|
bin | 10001000100111… |
… | …110001101011001 |
3 | 201222010112010211 |
4 | 101010332031121 |
5 | 1041322003212 |
6 | 44233011121 |
7 | 10046226532 |
oct | 2104761531 |
9 | 658115124 |
10 | 286516057 |
11 | 137804833 |
12 | 7bb53aa1 |
13 | 47489539 |
14 | 2a0a3689 |
15 | 1a2489a7 |
hex | 1113e359 |
286516057 has 2 divisors, whose sum is σ = 286516058. Its totient is φ = 286516056.
The previous prime is 286516033. The next prime is 286516063. The reversal of 286516057 is 750615682.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 271063296 + 15452761 = 16464^2 + 3931^2 .
It is a cyclic number.
It is not a de Polignac number, because 286516057 - 211 = 286514009 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (286514057) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143258028 + 143258029.
It is an arithmetic number, because the mean of its divisors is an integer number (143258029).
Almost surely, 2286516057 is an apocalyptic number.
It is an amenable number.
286516057 is a deficient number, since it is larger than the sum of its proper divisors (1).
286516057 is an equidigital number, since it uses as much as digits as its factorization.
286516057 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 100800, while the sum is 40.
The square root of 286516057 is about 16926.7851938872. The cubic root of 286516057 is about 659.2492665240.
The spelling of 286516057 in words is "two hundred eighty-six million, five hundred sixteen thousand, fifty-seven".
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