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2813249 is a prime number
BaseRepresentation
bin1010101110110101000001
312021221001102
422232311001
51210010444
6140144145
732624615
oct12566501
95257042
102813249
1116516aa
12b38055
1377665a
14533345
153a884e
hex2aed41

2813249 has 2 divisors, whose sum is σ = 2813250. Its totient is φ = 2813248.

The previous prime is 2813227. The next prime is 2813257. The reversal of 2813249 is 9423182.

2813249 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., 2745649 + 67600 = 1657^2 + 260^2 .

It is a cyclic number.

It is not a de Polignac number, because 2813249 - 28 = 2812993 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2813299) 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, 1406624 + 1406625.

It is an arithmetic number, because the mean of its divisors is an integer number (1406625).

22813249 is an apocalyptic number.

It is an amenable number.

2813249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2813249 is an equidigital number, since it uses as much as digits as its factorization.

2813249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 29.

The square root of 2813249 is about 1677.2742769148. The cubic root of 2813249 is about 141.1679336375.

The spelling of 2813249 in words is "two million, eight hundred thirteen thousand, two hundred forty-nine".