Base | Representation |
---|---|
bin | 110100110000… |
… | …100000111101 |
3 | 222000122110211 |
4 | 310300200331 |
5 | 12020031310 |
6 | 1212232421 |
7 | 225361204 |
oct | 64604075 |
9 | 28018424 |
10 | 13830205 |
11 | 7896924 |
12 | 476b711 |
13 | 2b3306c |
14 | 1ba023b |
15 | 1332c8a |
hex | d3083d |
13830205 has 8 divisors (see below), whose sum is σ = 16634592. Its totient is φ = 11038608.
The previous prime is 13830203. The next prime is 13830209. The reversal of 13830205 is 50203831.
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 13830205 - 21 = 13830203 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13830203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 627 + ... + 5296.
It is an arithmetic number, because the mean of its divisors is an integer number (2079324).
Almost surely, 213830205 is an apocalyptic number.
It is an amenable number.
13830205 is a deficient number, since it is larger than the sum of its proper divisors (2804387).
13830205 is an equidigital number, since it uses as much as digits as its factorization.
13830205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6395.
The product of its (nonzero) digits is 720, while the sum is 22.
The square root of 13830205 is about 3718.8983583852. The cubic root of 13830205 is about 240.0359031935.
The spelling of 13830205 in words is "thirteen million, eight hundred thirty thousand, two hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •