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6854489 is a prime number
BaseRepresentation
bin11010001001011101011001
3110220020120222
4122021131121
53223320424
6402525425
7112155635
oct32113531
913806528
106854489
113961974
122366875
13155cc15
14ca5dc5
15905e5e
hex689759

6854489 has 2 divisors, whose sum is σ = 6854490. Its totient is φ = 6854488.

The previous prime is 6854479. The next prime is 6854531. The reversal of 6854489 is 9844586.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6375625 + 478864 = 2525^2 + 692^2 .

It is a cyclic number.

It is not a de Polignac number, because 6854489 - 28 = 6854233 is a prime.

It is a super-3 number, since 3×68544893 (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is an Ulam number.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6854429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3427244 + 3427245.

It is an arithmetic number, because the mean of its divisors is an integer number (3427245).

Almost surely, 26854489 is an apocalyptic number.

It is an amenable number.

6854489 is a deficient number, since it is larger than the sum of its proper divisors (1).

6854489 is an equidigital number, since it uses as much as digits as its factorization.

6854489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 44.

The square root of 6854489 is about 2618.1079045754. The cubic root of 6854489 is about 189.9583380491.

The spelling of 6854489 in words is "six million, eight hundred fifty-four thousand, four hundred eighty-nine".