Base | Representation |
---|---|
bin | 100001110110111… |
… | …111111100011100 |
3 | 1110120220201210211 |
4 | 201312333330130 |
5 | 2130411101240 |
6 | 132211342204 |
7 | 20035323400 |
oct | 4166777434 |
9 | 1416821724 |
10 | 568065820 |
11 | 271727293 |
12 | 13a2b1964 |
13 | 908c742a |
14 | 55633100 |
15 | 34d10bea |
hex | 21dbff1c |
568065820 has 72 divisors (see below), whose sum is σ = 1391871600. Its totient is φ = 194181120.
The previous prime is 568065811. The next prime is 568065821. The reversal of 568065820 is 28560865.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (568065821) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 439375 + ... + 440665.
It is an arithmetic number, because the mean of its divisors is an integer number (19331550).
Almost surely, 2568065820 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 568065820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (695935800).
568065820 is an abundant number, since it is smaller than the sum of its proper divisors (823805780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
568065820 is a wasteful number, since it uses less digits than its factorization.
568065820 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1763 (or 1754 counting only the distinct ones).
The product of its (nonzero) digits is 115200, while the sum is 40.
The square root of 568065820 is about 23834.1314085494. The cubic root of 568065820 is about 828.1955379242.
It can be divided in two parts, 56806 and 5820, that added together give a palindrome (62626).
The spelling of 568065820 in words is "five hundred sixty-eight million, sixty-five thousand, eight hundred twenty".
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