Base | Representation |
---|---|
bin | 10001000011000… |
… | …000001111010111 |
3 | 201221011022100211 |
4 | 101003000033113 |
5 | 1041204000322 |
6 | 44213550251 |
7 | 10041650332 |
oct | 2103001727 |
9 | 657138324 |
10 | 286000087 |
11 | 13749210a |
12 | 7b945387 |
13 | 47338729 |
14 | 29dab619 |
15 | 1a195b77 |
hex | 110c03d7 |
286000087 has 2 divisors, whose sum is σ = 286000088. Its totient is φ = 286000086.
The previous prime is 286000073. The next prime is 286000093. The reversal of 286000087 is 780000682.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 286000087 - 211 = 285998039 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (286000037) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143000043 + 143000044.
It is an arithmetic number, because the mean of its divisors is an integer number (143000044).
Almost surely, 2286000087 is an apocalyptic number.
286000087 is a deficient number, since it is larger than the sum of its proper divisors (1).
286000087 is an equidigital number, since it uses as much as digits as its factorization.
286000087 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5376, while the sum is 31.
The square root of 286000087 is about 16911.5370974965. The cubic root of 286000087 is about 658.8532942596.
The spelling of 286000087 in words is "two hundred eighty-six million, eighty-seven", and thus it is an aban number.
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