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6885313 is a prime number
BaseRepresentation
bin11010010000111111000001
3110221210212121
4122100333001
53230312223
6403324241
7112344541
oct32207701
913853777
106885313
113983046
122380681
131570c66
14cb3321
1591015d
hex690fc1

6885313 has 2 divisors, whose sum is σ = 6885314. Its totient is φ = 6885312.

The previous prime is 6885269. The next prime is 6885331. The reversal of 6885313 is 3135886.

It is a happy number.

Together with next prime (6885331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6880129 + 5184 = 2623^2 + 72^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6885313 is a prime.

It is a super-3 number, since 3×68853133 (a number of 21 digits) contains 333 as substring.

It is an Ulam number.

It is equal to p469357 and since 6885313 and 469357 have the same sum of digits, it is a Honaker prime.

It is a nialpdrome in base 14.

It is not a weakly prime, because it can be changed into another prime (6885413) 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, 3442656 + 3442657.

It is an arithmetic number, because the mean of its divisors is an integer number (3442657).

Almost surely, 26885313 is an apocalyptic number.

It is an amenable number.

6885313 is a deficient number, since it is larger than the sum of its proper divisors (1).

6885313 is an equidigital number, since it uses as much as digits as its factorization.

6885313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 34.

The square root of 6885313 is about 2623.9879953994. The cubic root of 6885313 is about 190.2426539573.

The spelling of 6885313 in words is "six million, eight hundred eighty-five thousand, three hundred thirteen".