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6834385 = 51366877
BaseRepresentation
bin11010000100100011010001
3110212020000101
4122010203101
53222200020
6402252401
7112043215
oct32044321
913766011
106834385
113948858
122357101
131553a1c
14c9c945
1590000a
hex6848d1

6834385 has 4 divisors (see below), whose sum is σ = 8201268. Its totient is φ = 5467504.

The previous prime is 6834371. The next prime is 6834397. The reversal of 6834385 is 5834386.

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 3359889 + 3474496 = 1833^2 + 1864^2 .

It is a cyclic number.

It is not a de Polignac number, because 6834385 - 219 = 6310097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683434 + ... + 683443.

It is an arithmetic number, because the mean of its divisors is an integer number (2050317).

Almost surely, 26834385 is an apocalyptic number.

It is an amenable number.

6834385 is a deficient number, since it is larger than the sum of its proper divisors (1366883).

6834385 is a wasteful number, since it uses less digits than its factorization.

6834385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366882.

The product of its digits is 69120, while the sum is 37.

The square root of 6834385 is about 2614.2656712737. The cubic root of 6834385 is about 189.7724422506.

Subtracting from 6834385 its reverse (5834386), we obtain a palindrome (999999).

It can be divided in two parts, 68 and 34385, that added together give a triangular number (34453 = T262).

The spelling of 6834385 in words is "six million, eight hundred thirty-four thousand, three hundred eighty-five".

Divisors: 1 5 1366877 6834385