Search a number
-
+
82231169 is a prime number
BaseRepresentation
bin1001110011010…
…11111110000001
312201201202221212
410321223332001
5132022344134
612054255505
72015645006
oct471537601
9181652855
1082231169
1142465549
1223657595
1314061ac7
14acc78ad
157344bce
hex4e6bf81

82231169 has 2 divisors, whose sum is σ = 82231170. Its totient is φ = 82231168.

The previous prime is 82231157. The next prime is 82231181. The reversal of 82231169 is 96113228.

It is a balanced prime because it is at equal distance from previous prime (82231157) and next prime (82231181).

It can be written as a sum of positive squares in only one way, i.e., 81993025 + 238144 = 9055^2 + 488^2 .

It is a cyclic number.

It is not a de Polignac number, because 82231169 - 28 = 82230913 is a prime.

It is a super-2 number, since 2×822311692 = 13523930310213122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82231129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41115584 + 41115585.

It is an arithmetic number, because the mean of its divisors is an integer number (41115585).

Almost surely, 282231169 is an apocalyptic number.

It is an amenable number.

82231169 is a deficient number, since it is larger than the sum of its proper divisors (1).

82231169 is an equidigital number, since it uses as much as digits as its factorization.

82231169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 32.

The square root of 82231169 is about 9068.1403275424. The cubic root of 82231169 is about 434.8560214041.

The spelling of 82231169 in words is "eighty-two million, two hundred thirty-one thousand, one hundred sixty-nine".