Base | Representation |
---|---|
bin | 1000101111010100001 |
3 | 112112211021 |
4 | 1011322201 |
5 | 33130434 |
6 | 10045441 |
7 | 2301616 |
oct | 1057241 |
9 | 475737 |
10 | 286369 |
11 | 186176 |
12 | 119881 |
13 | a0465 |
14 | 7650d |
15 | 59cb4 |
hex | 45ea1 |
286369 has 2 divisors, whose sum is σ = 286370. Its totient is φ = 286368.
The previous prime is 286367. The next prime is 286381. The reversal of 286369 is 963682.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 286225 + 144 = 535^2 + 12^2 .
It is a cyclic number.
It is not a de Polignac number, because 286369 - 21 = 286367 is a prime.
It is a super-2 number, since 2×2863692 = 164014408322, which contains 22 as substring.
Together with 286367, it forms a pair of twin primes.
286369 is a lucky number.
It is not a weakly prime, because it can be changed into another prime (286367) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143184 + 143185.
It is an arithmetic number, because the mean of its divisors is an integer number (143185).
2286369 is an apocalyptic number.
It is an amenable number.
286369 is a deficient number, since it is larger than the sum of its proper divisors (1).
286369 is an equidigital number, since it uses as much as digits as its factorization.
286369 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 15552, while the sum is 34.
The square root of 286369 is about 535.1345625168. The cubic root of 286369 is about 65.9136458640.
The spelling of 286369 in words is "two hundred eighty-six thousand, three hundred sixty-nine".
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