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6864841 is a prime number
BaseRepresentation
bin11010001011111111001001
3110220202210101
4122023333021
53224133331
6403045401
7112231054
oct32137711
913822711
106864841
113969725
122370861
131564849
14ca9a9b
15909061
hex68bfc9

6864841 has 2 divisors, whose sum is σ = 6864842. Its totient is φ = 6864840.

The previous prime is 6864839. The next prime is 6864853. The reversal of 6864841 is 1484686.

6864841 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6864400 + 441 = 2620^2 + 21^2 .

It is a cyclic number.

It is not a de Polignac number, because 6864841 - 21 = 6864839 is a prime.

Together with 6864839, it forms a pair of twin primes.

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 6864841.

It is not a weakly prime, because it can be changed into another prime (6864811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3432420 + 3432421.

It is an arithmetic number, because the mean of its divisors is an integer number (3432421).

Almost surely, 26864841 is an apocalyptic number.

It is an amenable number.

6864841 is a deficient number, since it is larger than the sum of its proper divisors (1).

6864841 is an equidigital number, since it uses as much as digits as its factorization.

6864841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 37.

The square root of 6864841 is about 2620.0841589537. The cubic root of 6864841 is about 190.0539182156.

The spelling of 6864841 in words is "six million, eight hundred sixty-four thousand, eight hundred forty-one".