Search a number
-
+
6894740 = 225595843
BaseRepresentation
bin11010010011010010010100
3110222021210202
4122103102110
53231112430
6403440032
7112414166
oct32232224
913867722
106894740
11398a136
122386018
131575338
14cb6936
15912d45
hex693494

6894740 has 24 divisors (see below), whose sum is σ = 14726880. Its totient is φ = 2710688.

The previous prime is 6894731. The next prime is 6894743. The reversal of 6894740 is 474986.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6894694 and 6894703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6894743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1742 + ... + 4101.

It is an arithmetic number, because the mean of its divisors is an integer number (613620).

Almost surely, 26894740 is an apocalyptic number.

It is an amenable number.

6894740 is an abundant number, since it is smaller than the sum of its proper divisors (7832140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6894740 is a wasteful number, since it uses less digits than its factorization.

6894740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5911 (or 5909 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 6894740 is about 2625.7836925383. The cubic root of 6894740 is about 190.3294376972.

The spelling of 6894740 in words is "six million, eight hundred ninety-four thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 59 118 236 295 590 1180 5843 11686 23372 29215 58430 116860 344737 689474 1378948 1723685 3447370 6894740