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6830431 is a prime number
BaseRepresentation
bin11010000011100101011111
3110212000120221
4122003211133
53222033211
6402222211
7112025536
oct32034537
913760527
106830431
113945893
122354967
131551c9a
14c9b31d
158edc71
hex68395f

6830431 has 2 divisors, whose sum is σ = 6830432. Its totient is φ = 6830430.

The previous prime is 6830429. The next prime is 6830479. The reversal of 6830431 is 1340386.

6830431 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 is a cyclic number.

It is not a de Polignac number, because 6830431 - 21 = 6830429 is a prime.

It is a super-2 number, since 2×68304312 = 93309575291522, which contains 22 as substring.

Together with 6830429, it forms a pair of twin primes.

6830431 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6830396 and 6830405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6830531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3415215 + 3415216.

It is an arithmetic number, because the mean of its divisors is an integer number (3415216).

Almost surely, 26830431 is an apocalyptic number.

6830431 is a deficient number, since it is larger than the sum of its proper divisors (1).

6830431 is an equidigital number, since it uses as much as digits as its factorization.

6830431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 6830431 is about 2613.5093265569. The cubic root of 6830431 is about 189.7358378847.

The spelling of 6830431 in words is "six million, eight hundred thirty thousand, four hundred thirty-one".