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6816141 = 321794231
BaseRepresentation
bin11010000000000110001101
3110211021222200
4122000012031
53221104031
6402032113
7111636063
oct32000615
913737880
106816141
113936082
122348639
131548627
14c96033
158e98e6
hex68018d

6816141 has 12 divisors (see below), whose sum is σ = 9902880. Its totient is φ = 4517640.

The previous prime is 6816137. The next prime is 6816149. The reversal of 6816141 is 1416186.

It is not a de Polignac number, because 6816141 - 22 = 6816137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6816149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 505 + ... + 3726.

It is an arithmetic number, because the mean of its divisors is an integer number (825240).

Almost surely, 26816141 is an apocalyptic number.

It is an amenable number.

6816141 is a deficient number, since it is larger than the sum of its proper divisors (3086739).

6816141 is a wasteful number, since it uses less digits than its factorization.

6816141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4416 (or 4413 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 6816141 is about 2610.7740231586. The cubic root of 6816141 is about 189.6034295433.

The spelling of 6816141 in words is "six million, eight hundred sixteen thousand, one hundred forty-one".

Divisors: 1 3 9 179 537 1611 4231 12693 38079 757349 2272047 6816141