Base | Representation |
---|---|
bin | 11001011100001… |
… | …10110010011100 |
3 | 112212120111121221 |
4 | 30232012302130 |
5 | 414113204040 |
6 | 33102103124 |
7 | 5200660252 |
oct | 1456066234 |
9 | 485514557 |
10 | 213413020 |
11 | aa5143a7 |
12 | 5b57aaa4 |
13 | 352a24c2 |
14 | 204b45d2 |
15 | 13b0874a |
hex | cb86c9c |
213413020 has 12 divisors (see below), whose sum is σ = 448167384. Its totient is φ = 85365200.
The previous prime is 213413009. The next prime is 213413047. The reversal of 213413020 is 20314312.
It is a happy number.
213413020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 213412985 and 213413003.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5335306 + ... + 5335345.
It is an arithmetic number, because the mean of its divisors is an integer number (37347282).
Almost surely, 2213413020 is an apocalyptic number.
213413020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
213413020 is an abundant number, since it is smaller than the sum of its proper divisors (234754364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213413020 is a wasteful number, since it uses less digits than its factorization.
213413020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10670660 (or 10670658 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 213413020 is about 14608.6624986684. The cubic root of 213413020 is about 597.5950211559.
Adding to 213413020 its reverse (20314312), we get a palindrome (233727332).
The spelling of 213413020 in words is "two hundred thirteen million, four hundred thirteen thousand, twenty".
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