Base | Representation |
---|---|
bin | 11000100111111000111 |
3 | 1111222210112 |
4 | 3010333013 |
5 | 201304410 |
6 | 25143235 |
7 | 6600230 |
oct | 3047707 |
9 | 1458715 |
10 | 806855 |
11 | 501225 |
12 | 32ab1b |
13 | 22333a |
14 | 170087 |
15 | 10e105 |
hex | c4fc7 |
806855 has 8 divisors (see below), whose sum is σ = 1106592. Its totient is φ = 553248.
The previous prime is 806821. The next prime is 806857. The reversal of 806855 is 558608.
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 806855 - 26 = 806791 is a prime.
It is a Duffinian number.
It is a plaindrome in base 13.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (806857) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11492 + ... + 11561.
It is an arithmetic number, because the mean of its divisors is an integer number (138324).
2806855 is an apocalyptic number.
806855 is a deficient number, since it is larger than the sum of its proper divisors (299737).
806855 is a wasteful number, since it uses less digits than its factorization.
806855 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23065.
The product of its (nonzero) digits is 9600, while the sum is 32.
The square root of 806855 is about 898.2510784853. The cubic root of 806855 is about 93.0961736823.
It can be divided in two parts, 806 and 855, that added together give a palindrome (1661).
The spelling of 806855 in words is "eight hundred six thousand, eight hundred fifty-five".
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