Base | Representation |
---|---|
bin | 1000110001001101101 |
3 | 112121011021 |
4 | 1012021231 |
5 | 33143331 |
6 | 10054141 |
7 | 2304505 |
oct | 1061155 |
9 | 477137 |
10 | 287341 |
11 | 18697a |
12 | 11a351 |
13 | a0a32 |
14 | 76a05 |
15 | 5a211 |
hex | 4626d |
287341 has 2 divisors, whose sum is σ = 287342. Its totient is φ = 287340.
The previous prime is 287333. The next prime is 287347. The reversal of 287341 is 143782.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 206116 + 81225 = 454^2 + 285^2 .
It is a cyclic number.
It is not a de Polignac number, because 287341 - 23 = 287333 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (287347) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143670 + 143671.
It is an arithmetic number, because the mean of its divisors is an integer number (143671).
2287341 is an apocalyptic number.
It is an amenable number.
287341 is a deficient number, since it is larger than the sum of its proper divisors (1).
287341 is an equidigital number, since it uses as much as digits as its factorization.
287341 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1344, while the sum is 25.
The square root of 287341 is about 536.0419759683. The cubic root of 287341 is about 65.9881368332.
The spelling of 287341 in words is "two hundred eighty-seven thousand, three hundred forty-one".
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