Base | Representation |
---|---|
bin | 1000101110111010001 |
3 | 112112112120 |
4 | 1011313101 |
5 | 33124121 |
6 | 10044453 |
7 | 2301201 |
oct | 1056721 |
9 | 475476 |
10 | 286161 |
11 | 185aa7 |
12 | 119729 |
13 | a0335 |
14 | 76401 |
15 | 59bc6 |
hex | 45dd1 |
286161 has 16 divisors (see below), whose sum is σ = 419328. Its totient is φ = 172800.
The previous prime is 286129. The next prime is 286163. The reversal of 286161 is 161682.
286161 is nontrivially palindromic in base 2.
It is not a de Polignac number, because 286161 - 25 = 286129 is a prime.
It is a Curzon number.
286161 is a lucky number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 286161.
It is not an unprimeable number, because it can be changed into a prime (286163) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1491 + ... + 1671.
It is an arithmetic number, because the mean of its divisors is an integer number (26208).
2286161 is an apocalyptic number.
It is an amenable number.
286161 is a deficient number, since it is larger than the sum of its proper divisors (133167).
286161 is a wasteful number, since it uses less digits than its factorization.
286161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 232.
The product of its digits is 576, while the sum is 24.
The square root of 286161 is about 534.9401835720. The cubic root of 286161 is about 65.8976835228.
The spelling of 286161 in words is "two hundred eighty-six thousand, one hundred sixty-one".
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