Base | Representation |
---|---|
bin | 11110110101111010001011 |
3 | 120012202201022 |
4 | 132311322023 |
5 | 4032211011 |
6 | 445143055 |
7 | 125502545 |
oct | 36657213 |
9 | 16182638 |
10 | 8085131 |
11 | 462252a |
12 | 285aa8b |
13 | 18a1102 |
14 | 1106695 |
15 | a9a8db |
hex | 7b5e8b |
8085131 has 4 divisors (see below), whose sum is σ = 8119200. Its totient is φ = 8051064.
The previous prime is 8085109. The next prime is 8085137. The reversal of 8085131 is 1315808.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-8085131 is a prime.
It is a super-2 number, since 2×80851312 = 130738686574322, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 8085131.
It is not an unprimeable number, because it can be changed into a prime (8085137) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16676 + ... + 17153.
It is an arithmetic number, because the mean of its divisors is an integer number (2029800).
Almost surely, 28085131 is an apocalyptic number.
8085131 is a deficient number, since it is larger than the sum of its proper divisors (34069).
8085131 is a wasteful number, since it uses less digits than its factorization.
8085131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34068.
The product of its (nonzero) digits is 960, while the sum is 26.
The square root of 8085131 is about 2843.4364772226. The cubic root of 8085131 is about 200.7069233529.
The spelling of 8085131 in words is "eight million, eighty-five thousand, one hundred thirty-one".
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