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6868693 = 132831867
BaseRepresentation
bin11010001100111011010101
3110220222002001
4122030323111
53224244233
6403115301
7112245226
oct32147325
913828061
106868693
113971607
122372b31
131566520
14cab24d
1590a27d
hex68ced5

6868693 has 8 divisors (see below), whose sum is σ = 7427168. Its totient is φ = 6314544.

The previous prime is 6868681. The next prime is 6868699. The reversal of 6868693 is 3968686.

It is a happy number.

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 6868693 - 221 = 4771541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6868699) 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 7 ways as a sum of consecutive naturals, for example, 2746 + ... + 4612.

It is an arithmetic number, because the mean of its divisors is an integer number (928396).

Almost surely, 26868693 is an apocalyptic number.

It is an amenable number.

6868693 is a deficient number, since it is larger than the sum of its proper divisors (558475).

6868693 is a wasteful number, since it uses less digits than its factorization.

6868693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163.

The product of its digits is 373248, while the sum is 46.

The square root of 6868693 is about 2620.8191467555. The cubic root of 6868693 is about 190.0894592576.

The spelling of 6868693 in words is "six million, eight hundred sixty-eight thousand, six hundred ninety-three".

Divisors: 1 13 283 1867 3679 24271 528361 6868693