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7768361 is a prime number
BaseRepresentation
bin11101101000100100101001
3112121200012002
4131220210221
53442041421
6434300345
7123013166
oct35504451
915550162
107768361
114426537
1227276b5
1317bcb83
14106306d
15a36b0b
hex768929

7768361 has 2 divisors, whose sum is σ = 7768362. Its totient is φ = 7768360.

The previous prime is 7768357. The next prime is 7768379. The reversal of 7768361 is 1638677.

7768361 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7054336 + 714025 = 2656^2 + 845^2 .

It is an emirp because it is prime and its reverse (1638677) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7768361 - 22 = 7768357 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (7768331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3884180 + 3884181.

It is an arithmetic number, because the mean of its divisors is an integer number (3884181).

Almost surely, 27768361 is an apocalyptic number.

It is an amenable number.

7768361 is a deficient number, since it is larger than the sum of its proper divisors (1).

7768361 is an equidigital number, since it uses as much as digits as its factorization.

7768361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 38.

The square root of 7768361 is about 2787.1779634605. The cubic root of 7768361 is about 198.0507386208.

The spelling of 7768361 in words is "seven million, seven hundred sixty-eight thousand, three hundred sixty-one".