Base | Representation |
---|---|
bin | 100110010011… |
… | …0011000111110 |
3 | 1101210011211202 |
4 | 1030212120332 |
5 | 20120031230 |
6 | 1554215502 |
7 | 332451554 |
oct | 114463076 |
9 | 41704752 |
10 | 20080190 |
11 | 103755a9 |
12 | 6884592 |
13 | 4210a90 |
14 | 2949bd4 |
15 | 1b69a45 |
hex | 132663e |
20080190 has 32 divisors (see below), whose sum is σ = 39414816. Its totient is φ = 7320960.
The previous prime is 20080187. The next prime is 20080199. The reversal of 20080190 is 9108002.
It is a super-2 number, since 2×200801902 = 806428060872200, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20080199) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9860 + ... + 11720.
It is an arithmetic number, because the mean of its divisors is an integer number (1231713).
Almost surely, 220080190 is an apocalyptic number.
20080190 is a deficient number, since it is larger than the sum of its proper divisors (19334626).
20080190 is a wasteful number, since it uses less digits than its factorization.
20080190 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1964.
The product of its (nonzero) digits is 144, while the sum is 20.
The square root of 20080190 is about 4481.0925007190. The cubic root of 20080190 is about 271.8040597931.
Adding to 20080190 its reverse (9108002), we get a palindrome (29188192).
The spelling of 20080190 in words is "twenty million, eighty thousand, one hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •