Base | Representation |
---|---|
bin | 11100111110000… |
… | …00111010011110 |
3 | 121221021020201221 |
4 | 32133000322132 |
5 | 444202324410 |
6 | 40040323554 |
7 | 6010363360 |
oct | 1637007236 |
9 | 557236657 |
10 | 243011230 |
11 | 11519aa30 |
12 | 694735ba |
13 | 3b466637 |
14 | 243bad30 |
15 | 165034da |
hex | e7c0e9e |
243011230 has 32 divisors (see below), whose sum is σ = 545356800. Its totient is φ = 75743520.
The previous prime is 243011221. The next prime is 243011267. The reversal of 243011230 is 32110342.
It is a happy number.
It is a super-2 number, since 2×2430112302 = 118108915812225800, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157030 + ... + 158569.
It is an arithmetic number, because the mean of its divisors is an integer number (17042400).
Almost surely, 2243011230 is an apocalyptic number.
243011230 is an abundant number, since it is smaller than the sum of its proper divisors (302345570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
243011230 is a wasteful number, since it uses less digits than its factorization.
243011230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 315624.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 243011230 is about 15588.8174663763. The cubic root of 243011230 is about 624.0347596652.
Adding to 243011230 its reverse (32110342), we get a palindrome (275121572).
The spelling of 243011230 in words is "two hundred forty-three million, eleven thousand, two hundred thirty".
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