Base | Representation |
---|---|
bin | 11000111101110… |
… | …00011100001111 |
3 | 112121001202002220 |
4 | 30132320130033 |
5 | 412103001340 |
6 | 32440350423 |
7 | 5122026021 |
oct | 1436703417 |
9 | 477052086 |
10 | 209422095 |
11 | a8238a13 |
12 | 5a175413 |
13 | 34505acc |
14 | 1db56011 |
15 | 135baed0 |
hex | c7b870f |
209422095 has 16 divisors (see below), whose sum is σ = 335301120. Its totient is φ = 111616544.
The previous prime is 209422091. The next prime is 209422151. The reversal of 209422095 is 590224902.
It is a cyclic number.
It is not a de Polignac number, because 209422095 - 22 = 209422091 is a prime.
It is a super-2 number, since 2×2094220952 = 87715227748378050, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (209422091) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23926 + ... + 31484.
It is an arithmetic number, because the mean of its divisors is an integer number (20956320).
Almost surely, 2209422095 is an apocalyptic number.
209422095 is a deficient number, since it is larger than the sum of its proper divisors (125879025).
209422095 is a wasteful number, since it uses less digits than its factorization.
209422095 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9414.
The product of its (nonzero) digits is 12960, while the sum is 33.
The square root of 209422095 is about 14471.4233923274. The cubic root of 209422095 is about 593.8464527333.
Adding to 209422095 its reverse (590224902), we get a palindrome (799646997).
The spelling of 209422095 in words is "two hundred nine million, four hundred twenty-two thousand, ninety-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •