Base | Representation |
---|---|
bin | 11001011011101… |
… | …01010010001000 |
3 | 112212102212021101 |
4 | 30231311102020 |
5 | 414103410240 |
6 | 33100351144 |
7 | 5200241233 |
oct | 1455652210 |
9 | 485385241 |
10 | 213341320 |
11 | aa475545 |
12 | 5b5454b4 |
13 | 3527898a |
14 | 2049641a |
15 | 13ae239a |
hex | cb75488 |
213341320 has 16 divisors (see below), whose sum is σ = 480018060. Its totient is φ = 85336512.
The previous prime is 213341311. The next prime is 213341321. The reversal of 213341320 is 23143312.
It can be written as a sum of positive squares in 2 ways, for example, as 213335236 + 6084 = 14606^2 + 78^2 .
It is not an unprimeable number, because it can be changed into a prime (213341321) 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 3 ways as a sum of consecutive naturals, for example, 2666727 + ... + 2666806.
Almost surely, 2213341320 is an apocalyptic number.
213341320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
213341320 is an abundant number, since it is smaller than the sum of its proper divisors (266676740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213341320 is a wasteful number, since it uses less digits than its factorization.
213341320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5333544 (or 5333540 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 213341320 is about 14606.2082690889. The cubic root of 213341320 is about 597.5280893408.
Adding to 213341320 its reverse (23143312), we get a palindrome (236484632).
The spelling of 213341320 in words is "two hundred thirteen million, three hundred forty-one thousand, three hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •