Base | Representation |
---|---|
bin | 110000000011011… |
… | …010001011010100 |
3 | 2002012000012112000 |
4 | 300003122023110 |
5 | 3122341400040 |
6 | 211555355300 |
7 | 25656405243 |
oct | 6003321324 |
9 | 2065005460 |
10 | 806200020 |
11 | 38409600a |
12 | 1a5bb2b30 |
13 | cb043c42 |
14 | 7910095a |
15 | 4ab9e130 |
hex | 300da2d4 |
806200020 has 96 divisors (see below), whose sum is σ = 2640220800. Its totient is φ = 203668992.
The previous prime is 806200019. The next prime is 806200037. The reversal of 806200020 is 20002608.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 806199966 and 806200002.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29029 + ... + 49548.
It is an arithmetic number, because the mean of its divisors is an integer number (27502300).
Almost surely, 2806200020 is an apocalyptic number.
It is an amenable number.
806200020 is an abundant number, since it is smaller than the sum of its proper divisors (1834020780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
806200020 is a wasteful number, since it uses less digits than its factorization.
806200020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78614 (or 78606 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 806200020 is about 28393.6616166355. The cubic root of 806200020 is about 930.7097599546.
Adding to 806200020 its reverse (20002608), we get a palindrome (826202628).
It can be divided in two parts, 80 and 6200020, that added together give a square (6200100 = 24902).
The spelling of 806200020 in words is "eight hundred six million, two hundred thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •