Base | Representation |
---|---|
bin | 11110101111110010110001 |
3 | 120011111100112 |
4 | 132233302301 |
5 | 4030410311 |
6 | 444431105 |
7 | 125336531 |
oct | 36576261 |
9 | 16144315 |
10 | 8060081 |
11 | 4605727 |
12 | 2848495 |
13 | 18928a3 |
14 | 10db4c1 |
15 | a9328b |
hex | 7afcb1 |
8060081 has 4 divisors (see below), whose sum is σ = 8212212. Its totient is φ = 7907952.
The previous prime is 8060069. The next prime is 8060099. The reversal of 8060081 is 1800608.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 4389025 + 3671056 = 2095^2 + 1916^2 .
It is a cyclic number.
It is not a de Polignac number, because 8060081 - 214 = 8043697 is a prime.
It is a super-2 number, since 2×80600812 = 129929811453122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8060581) 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, 75986 + ... + 76091.
It is an arithmetic number, because the mean of its divisors is an integer number (2053053).
Almost surely, 28060081 is an apocalyptic number.
It is an amenable number.
8060081 is a deficient number, since it is larger than the sum of its proper divisors (152131).
8060081 is a wasteful number, since it uses less digits than its factorization.
8060081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 152130.
The product of its (nonzero) digits is 384, while the sum is 23.
The square root of 8060081 is about 2839.0281787964. The cubic root of 8060081 is about 200.4994268261.
Adding to 8060081 its reverse (1800608), we get a palindrome (9860689).
The spelling of 8060081 in words is "eight million, sixty thousand, eighty-one".
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