Search a number
-
+
82094261 is a prime number
BaseRepresentation
bin1001110010010…
…10100010110101
312201110211011012
410321022202311
5132004004021
612051322005
72014534604
oct471124265
9181424135
1082094261
11423816a7
12235b0305
13140146b2
14ac8da3b
15731935b
hex4e4a8b5

82094261 has 2 divisors, whose sum is σ = 82094262. Its totient is φ = 82094260.

The previous prime is 82094249. The next prime is 82094263. The reversal of 82094261 is 16249028.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63904036 + 18190225 = 7994^2 + 4265^2 .

It is a cyclic number.

It is not a de Polignac number, because 82094261 - 218 = 81832117 is a prime.

It is a super-2 number, since 2×820942612 = 13478935378272242, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 82094263, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82094263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41047130 + 41047131.

It is an arithmetic number, because the mean of its divisors is an integer number (41047131).

Almost surely, 282094261 is an apocalyptic number.

It is an amenable number.

82094261 is a deficient number, since it is larger than the sum of its proper divisors (1).

82094261 is an equidigital number, since it uses as much as digits as its factorization.

82094261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 82094261 is about 9060.5883363058. The cubic root of 82094261 is about 434.6145544116.

The spelling of 82094261 in words is "eighty-two million, ninety-four thousand, two hundred sixty-one".