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2849009 is a prime number
BaseRepresentation
bin1010110111100011110001
312100202002212
422313203301
51212132014
6141021505
733134102
oct12674361
95322085
102849009
111676559
12b54895
13789a07
145423a9
153b423e
hex2b78f1

2849009 has 2 divisors, whose sum is σ = 2849010. Its totient is φ = 2849008.

The previous prime is 2848981. The next prime is 2849053. The reversal of 2849009 is 9009482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2131600 + 717409 = 1460^2 + 847^2 .

It is a cyclic number.

It is not a de Polignac number, because 2849009 - 28 = 2848753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2849809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1424504 + 1424505.

It is an arithmetic number, because the mean of its divisors is an integer number (1424505).

22849009 is an apocalyptic number.

It is an amenable number.

2849009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2849009 is an equidigital number, since it uses as much as digits as its factorization.

2849009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 2849009 is about 1687.9007672254. The cubic root of 2849009 is about 141.7635587834.

The spelling of 2849009 in words is "two million, eight hundred forty-nine thousand, nine".