Search a number
-
+
6830291 = 131927653
BaseRepresentation
bin11010000011100011010011
3110212000101202
4122003203103
53222032131
6402221415
7112025246
oct32034323
913760352
106830291
113945776
12235486b
131551bc0
14c9b25d
158edbcb
hex6838d3

6830291 has 8 divisors (see below), whose sum is σ = 7743120. Its totient is φ = 5972832.

The previous prime is 6830273. The next prime is 6830297. The reversal of 6830291 is 1920386.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6830291 - 26 = 6830227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6830297) 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 7 ways as a sum of consecutive naturals, for example, 13580 + ... + 14073.

It is an arithmetic number, because the mean of its divisors is an integer number (967890).

Almost surely, 26830291 is an apocalyptic number.

6830291 is a deficient number, since it is larger than the sum of its proper divisors (912829).

6830291 is a wasteful number, since it uses less digits than its factorization.

6830291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27685.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 6830291 is about 2613.4825425091. The cubic root of 6830291 is about 189.7345415683.

It can be divided in two parts, 6 and 830291, that multiplied together give a triangular number (4981746 = T3156).

The spelling of 6830291 in words is "six million, eight hundred thirty thousand, two hundred ninety-one".

Divisors: 1 13 19 247 27653 359489 525407 6830291