Base | Representation |
---|---|
bin | 110011101111001… |
… | …110101001000000 |
3 | 2020111022220212200 |
4 | 303233032221000 |
5 | 3234203100002 |
6 | 222044353200 |
7 | 30340015626 |
oct | 6357165100 |
9 | 2214286780 |
10 | 868018752 |
11 | 405a79377 |
12 | 202845800 |
13 | 10aaa9983 |
14 | 833d3516 |
15 | 51310b1c |
hex | 33bcea40 |
868018752 has 42 divisors (see below), whose sum is σ = 2488020678. Its totient is φ = 289339392.
The previous prime is 868018751. The next prime is 868018757. The reversal of 868018752 is 257810868.
868018752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 594579456 + 273439296 = 24384^2 + 16536^2 .
It is a junction number, because it is equal to n+sod(n) for n = 868018698 and 868018707.
It is not an unprimeable number, because it can be changed into a prime (868018751) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 752913 + ... + 754064.
Almost surely, 2868018752 is an apocalyptic number.
It is an amenable number.
868018752 is an abundant number, since it is smaller than the sum of its proper divisors (1620001926).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
868018752 is a wasteful number, since it uses less digits than its factorization.
868018752 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1506995 (or 1506982 counting only the distinct ones).
The product of its (nonzero) digits is 215040, while the sum is 45.
The square root of 868018752 is about 29462.1579657703. The cubic root of 868018752 is about 953.9150538132.
The spelling of 868018752 in words is "eight hundred sixty-eight million, eighteen thousand, seven hundred fifty-two".
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