Base | Representation |
---|---|
bin | 11001100111111… |
… | …00111010010110 |
3 | 112222110100200212 |
4 | 30303330322112 |
5 | 420011223210 |
6 | 33155005422 |
7 | 5220002030 |
oct | 1463747226 |
9 | 488410625 |
10 | 214945430 |
11 | 100370757 |
12 | 5bb99872 |
13 | 356bab5b |
14 | 20792c50 |
15 | 13d0c805 |
hex | ccfce96 |
214945430 has 32 divisors (see below), whose sum is σ = 445374720. Its totient is φ = 73162080.
The previous prime is 214945397. The next prime is 214945439. The reversal of 214945430 is 34549412.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214945439) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1316 + ... + 20775.
It is an arithmetic number, because the mean of its divisors is an integer number (13917960).
Almost surely, 2214945430 is an apocalyptic number.
214945430 is an abundant number, since it is smaller than the sum of its proper divisors (230429290).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
214945430 is a wasteful number, since it uses less digits than its factorization.
214945430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22244.
The product of its (nonzero) digits is 17280, while the sum is 32.
The square root of 214945430 is about 14661.0173589693. The cubic root of 214945430 is about 599.0219528689.
The spelling of 214945430 in words is "two hundred fourteen million, nine hundred forty-five thousand, four hundred thirty".
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