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6838427 = 12915297
BaseRepresentation
bin11010000101100010011011
3110212102120002
4122011202123
53222312202
6402323215
7112061051
oct32054233
913772502
106838427
1139508a2
12235950b
13155580b
14ca01d1
15901302
hex68589b

6838427 has 4 divisors (see below), whose sum is σ = 6845016. Its totient is φ = 6831840.

The previous prime is 6838417. The next prime is 6838441. The reversal of 6838427 is 7248386.

6838427 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6838427 - 24 = 6838411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6838417) 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 in 3 ways as a sum of consecutive naturals, for example, 1358 + ... + 3939.

It is an arithmetic number, because the mean of its divisors is an integer number (1711254).

Almost surely, 26838427 is an apocalyptic number.

6838427 is a deficient number, since it is larger than the sum of its proper divisors (6589).

6838427 is a wasteful number, since it uses less digits than its factorization.

6838427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6588.

The product of its digits is 64512, while the sum is 38.

The square root of 6838427 is about 2615.0386230417. The cubic root of 6838427 is about 189.8098466912.

The spelling of 6838427 in words is "six million, eight hundred thirty-eight thousand, four hundred twenty-seven".

Divisors: 1 1291 5297 6838427