[go: up one dir, main page]

Search a number
-
+
8330081 is a prime number
BaseRepresentation
bin11111110001101101100001
3120200012201112
4133301231201
54113030311
6454313105
7130542644
oct37615541
916605645
108330081
11477a571
122958795
131958756
14116ba5b
15ae828b
hex7f1b61

8330081 has 2 divisors, whose sum is σ = 8330082. Its totient is φ = 8330080.

The previous prime is 8330059. The next prime is 8330087. The reversal of 8330081 is 1800338.

8330081 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5958481 + 2371600 = 2441^2 + 1540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8330081 is a prime.

It is a super-2 number, since 2×83300812 = 138780498933122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8330087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4165040 + 4165041.

It is an arithmetic number, because the mean of its divisors is an integer number (4165041).

Almost surely, 28330081 is an apocalyptic number.

It is an amenable number.

8330081 is a deficient number, since it is larger than the sum of its proper divisors (1).

8330081 is an equidigital number, since it uses as much as digits as its factorization.

8330081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 8330081 is about 2886.1879703166. The cubic root of 8330081 is about 202.7136879561.

The spelling of 8330081 in words is "eight million, three hundred thirty thousand, eighty-one".