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2844013 is a prime number
BaseRepresentation
bin1010110110010101101101
312100111020211
422312111231
51212002023
6140542421
733113404
oct12662555
95314224
102844013
111672827
12b51a11
13787663
1454063b
153b2a0d
hex2b656d

2844013 has 2 divisors, whose sum is σ = 2844014. Its totient is φ = 2844012.

The previous prime is 2843999. The next prime is 2844031. The reversal of 2844013 is 3104482.

Together with next prime (2844031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2812329 + 31684 = 1677^2 + 178^2 .

It is a cyclic number.

It is not a de Polignac number, because 2844013 - 29 = 2843501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2844043) 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, 1422006 + 1422007.

It is an arithmetic number, because the mean of its divisors is an integer number (1422007).

22844013 is an apocalyptic number.

It is an amenable number.

2844013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2844013 is an equidigital number, since it uses as much as digits as its factorization.

2844013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2844013 is about 1686.4201730292. The cubic root of 2844013 is about 141.6806451412.

Adding to 2844013 its reverse (3104482), we get a palindrome (5948495).

The spelling of 2844013 in words is "two million, eight hundred forty-four thousand, thirteen".