Base | Representation |
---|---|
bin | 11100111111101… |
… | …10010110111101 |
3 | 121221200101000202 |
4 | 32133312112331 |
5 | 444231331031 |
6 | 40045133245 |
7 | 6012264530 |
oct | 1637662675 |
9 | 557611022 |
10 | 243230141 |
11 | 11532a450 |
12 | 6955a225 |
13 | 3b51217b |
14 | 24436a17 |
15 | 165482cb |
hex | e7f65bd |
243230141 has 16 divisors (see below), whose sum is σ = 304311168. Its totient is φ = 188865600.
The previous prime is 243230137. The next prime is 243230149. The reversal of 243230141 is 141032342.
It is not a de Polignac number, because 243230141 - 22 = 243230137 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (243230149) 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, 17171 + ... + 27951.
It is an arithmetic number, because the mean of its divisors is an integer number (19019448).
Almost surely, 2243230141 is an apocalyptic number.
It is an amenable number.
243230141 is a deficient number, since it is larger than the sum of its proper divisors (61081027).
243230141 is a wasteful number, since it uses less digits than its factorization.
243230141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11092.
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 243230141 is about 15595.8372971764. The cubic root of 243230141 is about 624.2220858143. Note that the first 3 decimals are identical.
Adding to 243230141 its reverse (141032342), we get a palindrome (384262483).
It can be divided in two parts, 2432301 and 41, that added together give a palindrome (2432342).
The spelling of 243230141 in words is "two hundred forty-three million, two hundred thirty thousand, one hundred forty-one".
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