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6881087 is a prime number
BaseRepresentation
bin11010001111111100111111
3110221121002002
4122033330333
53230143322
6403252515
7112326323
oct32177477
913847062
106881087
11397a954
12237a13b
13156c065
14cb1983
1590dc92
hex68ff3f

6881087 has 2 divisors, whose sum is σ = 6881088. Its totient is φ = 6881086.

The previous prime is 6881081. The next prime is 6881093. The reversal of 6881087 is 7801886.

6881087 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (6881081) and next prime (6881093).

It is a cyclic number.

It is not a de Polignac number, because 6881087 - 26 = 6881023 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6881087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6881081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3440543 + 3440544.

It is an arithmetic number, because the mean of its divisors is an integer number (3440544).

Almost surely, 26881087 is an apocalyptic number.

6881087 is a deficient number, since it is larger than the sum of its proper divisors (1).

6881087 is an equidigital number, since it uses as much as digits as its factorization.

6881087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 6881087 is about 2623.1826089695. The cubic root of 6881087 is about 190.2037242337.

The spelling of 6881087 in words is "six million, eight hundred eighty-one thousand, eighty-seven".