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6894243 = 321136779
BaseRepresentation
bin11010010011001010100011
3110222021010100
4122103022203
53231103433
6403433443
7112412556
oct32231243
913867110
106894243
113989824
122385883
131575045
14cb669d
15912b13
hex6932a3

6894243 has 12 divisors (see below), whose sum is σ = 10047960. Its totient is φ = 4554816.

The previous prime is 6894241. The next prime is 6894259. The reversal of 6894243 is 3424986.

It is a happy number.

It is not a de Polignac number, because 6894243 - 21 = 6894241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6894198 and 6894207.

It is not an unprimeable number, because it can be changed into a prime (6894241) 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 11 ways as a sum of consecutive naturals, for example, 2373 + ... + 4406.

It is an arithmetic number, because the mean of its divisors is an integer number (837330).

Almost surely, 26894243 is an apocalyptic number.

6894243 is a deficient number, since it is larger than the sum of its proper divisors (3153717).

6894243 is a wasteful number, since it uses less digits than its factorization.

6894243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6898 (or 6895 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 6894243 is about 2625.6890524203. The cubic root of 6894243 is about 190.3248643556.

The spelling of 6894243 in words is "six million, eight hundred ninety-four thousand, two hundred forty-three".

Divisors: 1 3 9 113 339 1017 6779 20337 61011 766027 2298081 6894243