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6808238 = 23404119
BaseRepresentation
bin11001111110001010101110
3110210220010222
4121332022232
53220330423
6401531342
7111604043
oct31761256
913726128
106808238
113930148
122343b52
131544b58
14c931ca
158e73c8
hex67e2ae

6808238 has 4 divisors (see below), whose sum is σ = 10212360. Its totient is φ = 3404118.

The previous prime is 6808237. The next prime is 6808247. The reversal of 6808238 is 8328086.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 6808198 and 6808207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6808237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1702058 + ... + 1702061.

It is an arithmetic number, because the mean of its divisors is an integer number (2553090).

Almost surely, 26808238 is an apocalyptic number.

6808238 is a deficient number, since it is larger than the sum of its proper divisors (3404122).

6808238 is a wasteful number, since it uses less digits than its factorization.

6808238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404121.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 6808238 is about 2609.2600483662. The cubic root of 6808238 is about 189.5301224037.

The spelling of 6808238 in words is "six million, eight hundred eight thousand, two hundred thirty-eight".

Divisors: 1 2 3404119 6808238