Base | Representation |
---|---|
bin | 11010011111010111111 |
3 | 1122002201022 |
4 | 3103322333 |
5 | 210234111 |
6 | 30334355 |
7 | 10243463 |
oct | 3237277 |
9 | 1562638 |
10 | 868031 |
11 | 54318a |
12 | 35a3bb |
13 | 245138 |
14 | 1884a3 |
15 | 1222db |
hex | d3ebf |
868031 has 4 divisors (see below), whose sum is σ = 896064. Its totient is φ = 840000.
The previous prime is 868019. The next prime is 868033. The reversal of 868031 is 130868.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 868031 - 210 = 867007 is a prime.
It is a super-2 number, since 2×8680312 = 1506955633922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 868031.
It is not an unprimeable number, because it can be changed into a prime (868033) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13970 + ... + 14031.
It is an arithmetic number, because the mean of its divisors is an integer number (224016).
2868031 is an apocalyptic number.
868031 is a deficient number, since it is larger than the sum of its proper divisors (28033).
868031 is a wasteful number, since it uses less digits than its factorization.
868031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28032.
The product of its (nonzero) digits is 1152, while the sum is 26.
The square root of 868031 is about 931.6818126378. The cubic root of 868031 is about 95.3919540466.
Adding to 868031 its reverse (130868), we get a palindrome (998899).
The spelling of 868031 in words is "eight hundred sixty-eight thousand, thirty-one".
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