Base | Representation |
---|---|
bin | 1010010110110… |
… | …00001011001101 |
3 | 20001110101102201 |
4 | 11023120023031 |
5 | 134214244220 |
6 | 12341521501 |
7 | 2103241321 |
oct | 513301315 |
9 | 201411381 |
10 | 86868685 |
11 | 45042802 |
12 | 25113291 |
13 | 14cc68b7 |
14 | b773981 |
15 | 795dd0a |
hex | 52d82cd |
86868685 has 8 divisors (see below), whose sum is σ = 104317920. Its totient is φ = 69444624.
The previous prime is 86868679. The next prime is 86868689. The reversal of 86868685 is 58686868.
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 86868685 - 25 = 86868653 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86868689) 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, 2394 + ... + 13396.
It is an arithmetic number, because the mean of its divisors is an integer number (13039740).
Almost surely, 286868685 is an apocalyptic number.
It is an amenable number.
86868685 is a deficient number, since it is larger than the sum of its proper divisors (17449235).
86868685 is a wasteful number, since it uses less digits than its factorization.
86868685 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12587.
The product of its digits is 4423680, while the sum is 55.
The square root of 86868685 is about 9320.3371720126. The cubic root of 86868685 is about 442.8817138887.
It can be divided in two parts, 8686 and 8685, that added together give a palindrome (17371).
The spelling of 86868685 in words is "eighty-six million, eight hundred sixty-eight thousand, six hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •