Base | Representation |
---|---|
bin | 11110101111000100101011 |
3 | 120011100022021 |
4 | 132233010223 |
5 | 4030312011 |
6 | 444405311 |
7 | 125325115 |
oct | 36570453 |
9 | 16140267 |
10 | 8057131 |
11 | 4603495 |
12 | 2846837 |
13 | 1891444 |
14 | 10da3b5 |
15 | a92471 |
hex | 7af12b |
8057131 has 6 divisors (see below), whose sum is σ = 8166732. Its totient is φ = 7948980.
The previous prime is 8057123. The next prime is 8057141. The reversal of 8057131 is 1317508.
It is not a de Polignac number, because 8057131 - 23 = 8057123 is a prime.
It is a super-3 number, since 3×80571313 (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 8057096 and 8057105.
It is not an unprimeable number, because it can be changed into a prime (8057141) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5596 + ... + 6886.
It is an arithmetic number, because the mean of its divisors is an integer number (1361122).
Almost surely, 28057131 is an apocalyptic number.
8057131 is a deficient number, since it is larger than the sum of its proper divisors (109601).
8057131 is an equidigital number, since it uses as much as digits as its factorization.
8057131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1449 (or 1370 counting only the distinct ones).
The product of its (nonzero) digits is 840, while the sum is 25.
The square root of 8057131 is about 2838.5085872690. The cubic root of 8057131 is about 200.4749628254.
The spelling of 8057131 in words is "eight million, fifty-seven thousand, one hundred thirty-one".
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