Base | Representation |
---|---|
bin | 1010010010010… |
… | …01110111001011 |
3 | 20000100202211022 |
4 | 11021021313023 |
5 | 134042121041 |
6 | 12321223055 |
7 | 2065263005 |
oct | 511116713 |
9 | 200322738 |
10 | 86285771 |
11 | 44784860 |
12 | 24a91a8b |
13 | 14b51490 |
14 | b661375 |
15 | 789624b |
hex | 5249dcb |
86285771 has 16 divisors (see below), whose sum is σ = 103850208. Its totient is φ = 70636800.
The previous prime is 86285753. The next prime is 86285809. The reversal of 86285771 is 17758268.
It is not a de Polignac number, because 86285771 - 210 = 86284747 is a prime.
It is a super-3 number, since 3×862857713 (a number of 25 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (86285711) 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, 1496 + ... + 13221.
It is an arithmetic number, because the mean of its divisors is an integer number (6490638).
Almost surely, 286285771 is an apocalyptic number.
86285771 is a deficient number, since it is larger than the sum of its proper divisors (17564437).
86285771 is a wasteful number, since it uses less digits than its factorization.
86285771 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14782.
The product of its digits is 188160, while the sum is 44.
The square root of 86285771 is about 9289.0134567671. The cubic root of 86285771 is about 441.8888683431. Note that the first 4 decimals are identical.
The spelling of 86285771 in words is "eighty-six million, two hundred eighty-five thousand, seven hundred seventy-one".
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