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6864214 = 27289787
BaseRepresentation
bin11010001011110101010110
3110220201221011
4122023311112
53224123324
6403042434
7112226200
oct32136526
913821834
106864214
113969205
12237041a
131564486
14ca9770
15908c94
hex68bd56

6864214 has 24 divisors (see below), whose sum is σ = 12127320. Its totient is φ = 2905056.

The previous prime is 6864211. The next prime is 6864233. The reversal of 6864214 is 4124686.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6864211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8329 + ... + 9115.

It is an arithmetic number, because the mean of its divisors is an integer number (505305).

Almost surely, 26864214 is an apocalyptic number.

6864214 is a deficient number, since it is larger than the sum of its proper divisors (5263106).

6864214 is a wasteful number, since it uses less digits than its factorization.

6864214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892 (or 885 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 6864214 is about 2619.9645035763. The cubic root of 6864214 is about 190.0481318503.

It can be divided in two parts, 686 and 4214, that added together give a square (4900 = 702).

The spelling of 6864214 in words is "six million, eight hundred sixty-four thousand, two hundred fourteen".

Divisors: 1 2 7 14 49 89 98 178 623 787 1246 1574 4361 5509 8722 11018 38563 70043 77126 140086 490301 980602 3432107 6864214