Base | Representation |
---|---|
bin | 1010001111010… |
… | …10100001111001 |
3 | 12222121221012000 |
4 | 11013222201321 |
5 | 133442122124 |
6 | 12305011213 |
7 | 2062045404 |
oct | 507524171 |
9 | 188557160 |
10 | 85895289 |
11 | 44538447 |
12 | 24923b09 |
13 | 14a4581c |
14 | b59cd3b |
15 | 781a6c9 |
hex | 51ea879 |
85895289 has 16 divisors (see below), whose sum is σ = 128788800. Its totient is φ = 56572128.
The previous prime is 85895279. The next prime is 85895323. The reversal of 85895289 is 98259858.
85895289 is a `hidden beast` number, since 8 + 589 + 52 + 8 + 9 = 666.
It is not a de Polignac number, because 85895289 - 29 = 85894777 is a prime.
It is not an unprimeable number, because it can be changed into a prime (85895239) 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, 16924 + ... + 21405.
It is an arithmetic number, because the mean of its divisors is an integer number (8049300).
Almost surely, 285895289 is an apocalyptic number.
It is an amenable number.
85895289 is a deficient number, since it is larger than the sum of its proper divisors (42893511).
85895289 is a wasteful number, since it uses less digits than its factorization.
85895289 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38421 (or 38415 counting only the distinct ones).
The product of its digits is 2073600, while the sum is 54.
The square root of 85895289 is about 9267.9711372015. The cubic root of 85895289 is about 441.2212781878.
The spelling of 85895289 in words is "eighty-five million, eight hundred ninety-five thousand, two hundred eighty-nine".
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