Base | Representation |
---|---|
bin | 11001011011100… |
… | …10000010011101 |
3 | 112212102012001010 |
4 | 30231302002131 |
5 | 414102444104 |
6 | 33100205433 |
7 | 5200154415 |
oct | 1455620235 |
9 | 485365033 |
10 | 213328029 |
11 | aa466562 |
12 | 5b539879 |
13 | 35272905 |
14 | 20491645 |
15 | 13add489 |
hex | cb7209d |
213328029 has 16 divisors (see below), whose sum is σ = 300542400. Its totient is φ = 134222976.
The previous prime is 213328001. The next prime is 213328033. The reversal of 213328029 is 920823312.
It is a happy number.
213328029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 213328029 - 25 = 213327997 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 213327987 and 213328005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213328429) 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, 8377 + ... + 22289.
It is an arithmetic number, because the mean of its divisors is an integer number (18783900).
Almost surely, 2213328029 is an apocalyptic number.
It is an amenable number.
213328029 is a deficient number, since it is larger than the sum of its proper divisors (87214371).
213328029 is a wasteful number, since it uses less digits than its factorization.
213328029 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14204.
The product of its (nonzero) digits is 5184, while the sum is 30.
The square root of 213328029 is about 14605.7532842370. The cubic root of 213328029 is about 597.5156805698.
The spelling of 213328029 in words is "two hundred thirteen million, three hundred twenty-eight thousand, twenty-nine".
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