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6801089 is a prime number
BaseRepresentation
bin11001111100011011000001
3110210112100012
4121330123001
53220113324
6401434305
7111544151
oct31743301
913715305
106801089
113925839
12233b995
131541819
14c90761
158e520e
hex67c6c1

6801089 has 2 divisors, whose sum is σ = 6801090. Its totient is φ = 6801088.

The previous prime is 6801079. The next prime is 6801101. The reversal of 6801089 is 9801086.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6589489 + 211600 = 2567^2 + 460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6801089 is a prime.

It is a Sophie Germain prime.

6801089 is a strobogrammatic number because it is the same when read upside-down.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6801049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3400544 + 3400545.

It is an arithmetic number, because the mean of its divisors is an integer number (3400545).

Almost surely, 26801089 is an apocalyptic number.

It is an amenable number.

6801089 is a deficient number, since it is larger than the sum of its proper divisors (1).

6801089 is an equidigital number, since it uses as much as digits as its factorization.

6801089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 6801089 is about 2607.8897599400. The cubic root of 6801089 is about 189.4637603788.

The spelling of 6801089 in words is "six million, eight hundred one thousand, eighty-nine".