Base | Representation |
---|---|
bin | 11011011100011… |
… | …10100100110011 |
3 | 121001012111101121 |
4 | 31232032210303 |
5 | 432414102011 |
6 | 34502243111 |
7 | 5463566356 |
oct | 1556164463 |
9 | 531174347 |
10 | 230222131 |
11 | 108a55327 |
12 | 65126497 |
13 | 38909419 |
14 | 2280c29d |
15 | 15328e71 |
hex | db8e933 |
230222131 has 4 divisors (see below), whose sum is σ = 231688672. Its totient is φ = 228755592.
The previous prime is 230222119. The next prime is 230222149. The reversal of 230222131 is 131222032.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 230222131 - 25 = 230222099 is a prime.
It is a super-2 number, since 2×2302221312 = 106004459204362322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (230222231) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 733035 + ... + 733348.
It is an arithmetic number, because the mean of its divisors is an integer number (57922168).
Almost surely, 2230222131 is an apocalyptic number.
230222131 is a deficient number, since it is larger than the sum of its proper divisors (1466541).
230222131 is a wasteful number, since it uses less digits than its factorization.
230222131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1466540.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 230222131 is about 15173.0725629320. The cubic root of 230222131 is about 612.8897475552.
Adding to 230222131 its reverse (131222032), we get a palindrome (361444163).
Subtracting from 230222131 its reverse (131222032), we obtain a palindrome (99000099).
The spelling of 230222131 in words is "two hundred thirty million, two hundred twenty-two thousand, one hundred thirty-one".
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