Search a number
-
+
6896889 = 32766321
BaseRepresentation
bin11010010011110011111001
3110222101202100
4122103303321
53231200024
6403454013
7112423356
oct32236371
913871670
106896889
11399080a
122387309
1315762cc
14cb762d
159137c9
hex693cf9

6896889 has 6 divisors (see below), whose sum is σ = 9962186. Its totient is φ = 4597920.

The previous prime is 6896887. The next prime is 6896893. The reversal of 6896889 is 9886986.

6896889 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4272489 + 2624400 = 2067^2 + 1620^2 .

It is not a de Polignac number, because 6896889 - 21 = 6896887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6896887) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 383152 + ... + 383169.

Almost surely, 26896889 is an apocalyptic number.

It is an amenable number.

6896889 is a deficient number, since it is larger than the sum of its proper divisors (3065297).

6896889 is a wasteful number, since it uses less digits than its factorization.

6896889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766327 (or 766324 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The square root of 6896889 is about 2626.1928718203. The cubic root of 6896889 is about 190.3492100393.

The spelling of 6896889 in words is "six million, eight hundred ninety-six thousand, eight hundred eighty-nine".

Divisors: 1 3 9 766321 2298963 6896889