Base | Representation |
---|---|
bin | 11000100110111… |
… | …00000001011111 |
3 | 112101102022220101 |
4 | 30103130001133 |
5 | 410321001421 |
6 | 32252201531 |
7 | 5054362510 |
oct | 1423340137 |
9 | 471368811 |
10 | 206422111 |
11 | a6579a95 |
12 | 591692a7 |
13 | 339c547c |
14 | 1d5b4a07 |
15 | 131c7191 |
hex | c4dc05f |
206422111 has 8 divisors (see below), whose sum is σ = 238343840. Its totient is φ = 175108608.
The previous prime is 206422093. The next prime is 206422133. The reversal of 206422111 is 111224602.
206422111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 206422111 - 219 = 205897823 is a prime.
It is a super-2 number, since 2×2064221112 = 85220175819392642, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (206422141) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151326 + ... + 152683.
It is an arithmetic number, because the mean of its divisors is an integer number (29792980).
Almost surely, 2206422111 is an apocalyptic number.
206422111 is a deficient number, since it is larger than the sum of its proper divisors (31921729).
206422111 is an equidigital number, since it uses as much as digits as its factorization.
206422111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 304113.
The product of its (nonzero) digits is 192, while the sum is 19.
The square root of 206422111 is about 14367.3975026795. The cubic root of 206422111 is about 590.9971751358.
Adding to 206422111 its reverse (111224602), we get a palindrome (317646713).
The spelling of 206422111 in words is "two hundred six million, four hundred twenty-two thousand, one hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •