Base | Representation |
---|---|
bin | 111101101001111010011 |
3 | 10210122100012 |
4 | 13231033103 |
5 | 1004122212 |
6 | 111145135 |
7 | 23113052 |
oct | 7551723 |
9 | 3718305 |
10 | 2020307 |
11 | 115a983 |
12 | 8151ab |
13 | 559763 |
14 | 3a8399 |
15 | 29d922 |
hex | 1ed3d3 |
2020307 has 4 divisors (see below), whose sum is σ = 2058480. Its totient is φ = 1982136.
The previous prime is 2020279. The next prime is 2020309. The reversal of 2020307 is 7030202.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7030202 = 2 ⋅3515101.
It is a cyclic number.
It is not a de Polignac number, because 2020307 - 26 = 2020243 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2020291 and 2020300.
It is not an unprimeable number, because it can be changed into a prime (2020309) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19007 + ... + 19112.
It is an arithmetic number, because the mean of its divisors is an integer number (514620).
22020307 is an apocalyptic number.
2020307 is a deficient number, since it is larger than the sum of its proper divisors (38173).
2020307 is an equidigital number, since it uses as much as digits as its factorization.
2020307 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38172.
The product of its (nonzero) digits is 84, while the sum is 14.
The square root of 2020307 is about 1421.3750384751. The cubic root of 2020307 is about 126.4170901357.
Adding to 2020307 its reverse (7030202), we get a palindrome (9050509).
The spelling of 2020307 in words is "two million, twenty thousand, three hundred seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •