Search a number
-
+
6925385 = 51385077
BaseRepresentation
bin11010011010110001001001
3111000211211202
4122122301021
53233103020
6404233545
7112602425
oct32326111
914024752
106925385
113a00165
12239b8b5
13158627c
14cc3b85
1591be75
hex69ac49

6925385 has 4 divisors (see below), whose sum is σ = 8310468. Its totient is φ = 5540304.

The previous prime is 6925349. The next prime is 6925393. The reversal of 6925385 is 5835296.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4313929 + 2611456 = 2077^2 + 1616^2 .

It is a cyclic number.

It is not a de Polignac number, because 6925385 - 220 = 5876809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 692534 + ... + 692543.

It is an arithmetic number, because the mean of its divisors is an integer number (2077617).

Almost surely, 26925385 is an apocalyptic number.

It is an amenable number.

6925385 is a deficient number, since it is larger than the sum of its proper divisors (1385083).

6925385 is a wasteful number, since it uses less digits than its factorization.

6925385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385082.

The product of its digits is 64800, while the sum is 38.

The square root of 6925385 is about 2631.6126234687. The cubic root of 6925385 is about 190.6110062289.

The spelling of 6925385 in words is "six million, nine hundred twenty-five thousand, three hundred eighty-five".

Divisors: 1 5 1385077 6925385