Base | Representation |
---|---|
bin | 10001000011001… |
… | …110011100010101 |
3 | 201221021021011102 |
4 | 101003032130111 |
5 | 1041212331021 |
6 | 44215115445 |
7 | 10042312046 |
oct | 2103163425 |
9 | 657237142 |
10 | 286058261 |
11 | 137521895 |
12 | 7b972b85 |
13 | 47359058 |
14 | 29dc48cd |
15 | 1a1a800b |
hex | 110ce715 |
286058261 has 2 divisors, whose sum is σ = 286058262. Its totient is φ = 286058260.
The previous prime is 286058251. The next prime is 286058263. The reversal of 286058261 is 162850682.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 256192036 + 29866225 = 16006^2 + 5465^2 .
It is a cyclic number.
It is not a de Polignac number, because 286058261 - 26 = 286058197 is a prime.
Together with 286058263, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (286058263) 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, 143029130 + 143029131.
It is an arithmetic number, because the mean of its divisors is an integer number (143029131).
Almost surely, 2286058261 is an apocalyptic number.
It is an amenable number.
286058261 is a deficient number, since it is larger than the sum of its proper divisors (1).
286058261 is an equidigital number, since it uses as much as digits as its factorization.
286058261 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 46080, while the sum is 38.
The square root of 286058261 is about 16913.2569601482. The cubic root of 286058261 is about 658.8979626995.
The spelling of 286058261 in words is "two hundred eighty-six million, fifty-eight thousand, two hundred sixty-one".
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