Base | Representation |
---|---|
bin | 11111011110101010110001 |
3 | 120112020201122 |
4 | 133132222301 |
5 | 4103031311 |
6 | 452512025 |
7 | 130066355 |
oct | 37365261 |
9 | 16466648 |
10 | 8252081 |
11 | 4726a02 |
12 | 291b615 |
13 | 192c0b6 |
14 | 114b465 |
15 | ad00db |
hex | 7deab1 |
8252081 has 8 divisors (see below), whose sum is σ = 8395464. Its totient is φ = 8110080.
The previous prime is 8252059. The next prime is 8252093. The reversal of 8252081 is 1802528.
It can be written as a sum of positive squares in 4 ways, for example, as 1575025 + 6677056 = 1255^2 + 2584^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 8252081 - 26 = 8252017 is a prime.
It is a super-2 number, since 2×82520812 = 136193681661122, 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 8252081.
It is not an unprimeable number, because it can be changed into a prime (8252381) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23201 + ... + 23553.
It is an arithmetic number, because the mean of its divisors is an integer number (1049433).
Almost surely, 28252081 is an apocalyptic number.
It is an amenable number.
8252081 is a deficient number, since it is larger than the sum of its proper divisors (143383).
8252081 is a wasteful number, since it uses less digits than its factorization.
8252081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 691.
The product of its (nonzero) digits is 1280, while the sum is 26.
The square root of 8252081 is about 2872.6435560299. The cubic root of 8252081 is about 202.0789891391.
The spelling of 8252081 in words is "eight million, two hundred fifty-two thousand, eighty-one".
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