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2331949 is a prime number
BaseRepresentation
bin1000111001010100101101
311101110211111
420321110231
51044110244
6121552021
725551454
oct10712455
94343744
102331949
111353034
12945611
13638569
14449b9b
15310e34
hex23952d

2331949 has 2 divisors, whose sum is σ = 2331950. Its totient is φ = 2331948.

The previous prime is 2331937. The next prime is 2331997. The reversal of 2331949 is 9491332.

2331949 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., 1416100 + 915849 = 1190^2 + 957^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2331949 is a prime.

It is a super-2 number, since 2×23319492 = 10875972277202, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2331949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2331929) 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, 1165974 + 1165975.

It is an arithmetic number, because the mean of its divisors is an integer number (1165975).

22331949 is an apocalyptic number.

It is an amenable number.

2331949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2331949 is an equidigital number, since it uses as much as digits as its factorization.

2331949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 31.

The square root of 2331949 is about 1527.0720349741. The cubic root of 2331949 is about 132.6090048764.

The spelling of 2331949 in words is "two million, three hundred thirty-one thousand, nine hundred forty-nine".