Search a number
-
+
2390249 is a prime number
BaseRepresentation
bin1001000111100011101001
311111102210202
421013203221
51102441444
6123121545
726213441
oct11074351
94442722
102390249
111392914
129732b5
13658c64
14463121
1532334e
hex2478e9

2390249 has 2 divisors, whose sum is σ = 2390250. Its totient is φ = 2390248.

The previous prime is 2390243. The next prime is 2390263. The reversal of 2390249 is 9420932.

2390249 is digitally balanced in base 2, 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., 2155024 + 235225 = 1468^2 + 485^2 .

It is a cyclic number.

It is not a de Polignac number, because 2390249 - 28 = 2389993 is a prime.

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 (2390243) 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, 1195124 + 1195125.

It is an arithmetic number, because the mean of its divisors is an integer number (1195125).

22390249 is an apocalyptic number.

It is an amenable number.

2390249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2390249 is an equidigital number, since it uses as much as digits as its factorization.

2390249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 2390249 is about 1546.0430136319. The cubic root of 2390249 is about 133.7050205407.

The spelling of 2390249 in words is "two million, three hundred ninety thousand, two hundred forty-nine".