Base | Representation |
---|---|
bin | 11010100001001000100 |
3 | 1122010221200 |
4 | 3110021010 |
5 | 210301212 |
6 | 30342500 |
7 | 10246221 |
oct | 3241104 |
9 | 1563850 |
10 | 868932 |
11 | 543929 |
12 | 35aa30 |
13 | 24567c |
14 | 188948 |
15 | 1226dc |
hex | d4244 |
868932 has 18 divisors (see below), whose sum is σ = 2196558. Its totient is φ = 289632.
The previous prime is 868909. The next prime is 868937. The reversal of 868932 is 239868.
It can be written as a sum of positive squares in only one way, i.e., 799236 + 69696 = 894^2 + 264^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 24137 = 868932 / (8 + 6 + 8 + 9 + 3 + 2).
It is a plaindrome in base 13.
It is not an unprimeable number, because it can be changed into a prime (868937) by changing a digit.
868932 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12033 + ... + 12104.
It is an arithmetic number, because the mean of its divisors is an integer number (122031).
2868932 is an apocalyptic number.
It is an amenable number.
868932 is an abundant number, since it is smaller than the sum of its proper divisors (1327626).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
868932 is a wasteful number, since it uses less digits than its factorization.
868932 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24147 (or 24142 counting only the distinct ones).
The product of its digits is 20736, while the sum is 36.
The square root of 868932 is about 932.1652214066. The cubic root of 868932 is about 95.4249476571.
The spelling of 868932 in words is "eight hundred sixty-eight thousand, nine hundred thirty-two".
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