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6806231 is a prime number
BaseRepresentation
bin11001111101101011010111
3110210210101122
4121331223113
53220244411
6401514155
7111565145
oct31755327
913723348
106806231
113929693
12234295b
131543c73
14c92595
158e69db
hex67dad7

6806231 has 2 divisors, whose sum is σ = 6806232. Its totient is φ = 6806230.

The previous prime is 6806221. The next prime is 6806243. The reversal of 6806231 is 1326086.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6806231 is a prime.

It is a super-2 number, since 2×68062312 = 92649560850722, which contains 22 as substring.

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 6806231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6806201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3403115 + 3403116.

It is an arithmetic number, because the mean of its divisors is an integer number (3403116).

Almost surely, 26806231 is an apocalyptic number.

6806231 is a deficient number, since it is larger than the sum of its proper divisors (1).

6806231 is an equidigital number, since it uses as much as digits as its factorization.

6806231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 6806231 is about 2608.8754282257. The cubic root of 6806231 is about 189.5114967162.

Subtracting from 6806231 its sum of digits (26), we obtain a triangular number (6806205 = T3689).

The spelling of 6806231 in words is "six million, eight hundred six thousand, two hundred thirty-one".