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2681879 is a prime number
BaseRepresentation
bin1010001110110000010111
312001020211212
422032300113
51141310004
6133252035
731536614
oct12166027
95036755
102681879
111571a32
12a9401b
1372b915
144db50b
1537e96e
hex28ec17

2681879 has 2 divisors, whose sum is σ = 2681880. Its totient is φ = 2681878.

The previous prime is 2681873. The next prime is 2681881. The reversal of 2681879 is 9781862.

2681879 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 is a cyclic number.

It is not a de Polignac number, because 2681879 - 24 = 2681863 is a prime.

Together with 2681881, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2681873) 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, 1340939 + 1340940.

It is an arithmetic number, because the mean of its divisors is an integer number (1340940).

22681879 is an apocalyptic number.

2681879 is a deficient number, since it is larger than the sum of its proper divisors (1).

2681879 is an equidigital number, since it uses as much as digits as its factorization.

2681879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 41.

The square root of 2681879 is about 1637.6443447831. The cubic root of 2681879 is about 138.9354461043.

The spelling of 2681879 in words is "two million, six hundred eighty-one thousand, eight hundred seventy-nine".