Base | Representation |
---|---|
bin | 11001100010011… |
… | …11100001010100 |
3 | 112221010021110210 |
4 | 30301033201110 |
5 | 414321011340 |
6 | 33131445420 |
7 | 5210653323 |
oct | 1461174124 |
9 | 487107423 |
10 | 214235220 |
11 | aaa26101 |
12 | 5b8b6870 |
13 | 354cc804 |
14 | 2064a0ba |
15 | 13c1c180 |
hex | cc4f854 |
214235220 has 48 divisors (see below), whose sum is σ = 603203328. Its totient is φ = 56810880.
The previous prime is 214235213. The next prime is 214235221. The reversal of 214235220 is 22532412.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214235221) 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 15 ways as a sum of consecutive naturals, for example, 997 + ... + 20723.
It is an arithmetic number, because the mean of its divisors is an integer number (12566736).
Almost surely, 2214235220 is an apocalyptic number.
214235220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
214235220 is an abundant number, since it is smaller than the sum of its proper divisors (388968108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
214235220 is a wasteful number, since it uses less digits than its factorization.
214235220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19920 (or 19918 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 21.
The square root of 214235220 is about 14636.7762844145. The cubic root of 214235220 is about 598.3614739047.
Adding to 214235220 its reverse (22532412), we get a palindrome (236767632).
The spelling of 214235220 in words is "two hundred fourteen million, two hundred thirty-five thousand, two hundred twenty".
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