Search a number
-
+
6819130 = 25681913
BaseRepresentation
bin11010000000110100111010
3110211110002101
4122000310322
53221203010
6402054014
7111650563
oct32006472
913743071
106819130
11393834a
12234a30a
131549ab6
14c9716a
158ea73a
hex680d3a

6819130 has 8 divisors (see below), whose sum is σ = 12274452. Its totient is φ = 2727648.

The previous prime is 6819121. The next prime is 6819191. The reversal of 6819130 is 319186.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6723649 + 95481 = 2593^2 + 309^2 .

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

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, 340947 + ... + 340966.

Almost surely, 26819130 is an apocalyptic number.

6819130 is a deficient number, since it is larger than the sum of its proper divisors (5455322).

6819130 is a wasteful number, since it uses less digits than its factorization.

6819130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681920.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 6819130 is about 2611.3463960187. The cubic root of 6819130 is about 189.6311403272.

The spelling of 6819130 in words is "six million, eight hundred nineteen thousand, one hundred thirty".

Divisors: 1 2 5 10 681913 1363826 3409565 6819130