Search a number
-
+
82079369 is a prime number
BaseRepresentation
bin1001110010001…
…10111010001001
312201110001201122
410321012322021
5132003014434
612051125025
72014443311
oct471067211
9181401648
1082079369
1142371499
12235a3775
131400a998
14ac88441
157314c2e
hex4e46e89

82079369 has 2 divisors, whose sum is σ = 82079370. Its totient is φ = 82079368.

The previous prime is 82079359. The next prime is 82079377. The reversal of 82079369 is 96397028.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63043600 + 19035769 = 7940^2 + 4363^2 .

It is a cyclic number.

It is not a de Polignac number, because 82079369 - 28 = 82079113 is a prime.

It is a super-2 number, since 2×820793692 = 13474045630876322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (82079329) 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, 41039684 + 41039685.

It is an arithmetic number, because the mean of its divisors is an integer number (41039685).

Almost surely, 282079369 is an apocalyptic number.

It is an amenable number.

82079369 is a deficient number, since it is larger than the sum of its proper divisors (1).

82079369 is an equidigital number, since it uses as much as digits as its factorization.

82079369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 82079369 is about 9059.7664980947. The cubic root of 82079369 is about 434.5882729507.

It can be divided in two parts, 8207 and 9369, that added together give a cube (17576 = 263).

The spelling of 82079369 in words is "eighty-two million, seventy-nine thousand, three hundred sixty-nine".