Base | Representation |
---|---|
bin | 11010011111100100010 |
3 | 1122002211222 |
4 | 3103330202 |
5 | 210240010 |
6 | 30335042 |
7 | 10243664 |
oct | 3237442 |
9 | 1562758 |
10 | 868130 |
11 | 54326a |
12 | 35a482 |
13 | 2451b3 |
14 | 188534 |
15 | 122355 |
hex | d3f22 |
868130 has 8 divisors (see below), whose sum is σ = 1562652. Its totient is φ = 347248.
The previous prime is 868123. The next prime is 868151. The reversal of 868130 is 31868.
It can be written as a sum of positive squares in 2 ways, for example, as 866761 + 1369 = 931^2 + 37^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an Ulam number.
It is a plaindrome in base 15.
It is a zygodrome in base 3.
It is a self number, because there is not a number n which added to its sum of digits gives 868130.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43397 + ... + 43416.
2868130 is an apocalyptic number.
868130 is a deficient number, since it is larger than the sum of its proper divisors (694522).
868130 is a wasteful number, since it uses less digits than its factorization.
868130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86820.
The product of its (nonzero) digits is 1152, while the sum is 26.
The square root of 868130 is about 931.7349408496. The cubic root of 868130 is about 95.3955804319.
Adding to 868130 its reverse (31868), we get a palindrome (899998).
The spelling of 868130 in words is "eight hundred sixty-eight thousand, one hundred thirty".
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