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3031949 is a prime number
BaseRepresentation
bin1011100100001110001101
312201001001102
423210032031
51234010244
6144552445
734525334
oct13441615
95631042
103031949
111790a48
121022725
1382206b
1458cd1b
153ed54e
hex2e438d

3031949 has 2 divisors, whose sum is σ = 3031950. Its totient is φ = 3031948.

The previous prime is 3031937. The next prime is 3031957. The reversal of 3031949 is 9491303.

3031949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2788900 + 243049 = 1670^2 + 493^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3031949 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3031969) 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, 1515974 + 1515975.

It is an arithmetic number, because the mean of its divisors is an integer number (1515975).

Almost surely, 23031949 is an apocalyptic number.

It is an amenable number.

3031949 is a deficient number, since it is larger than the sum of its proper divisors (1).

3031949 is an equidigital number, since it uses as much as digits as its factorization.

3031949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 3031949 is about 1741.2492641779. The cubic root of 3031949 is about 144.7351327993.

The spelling of 3031949 in words is "three million, thirty-one thousand, nine hundred forty-nine".