Base | Representation |
---|---|
bin | 11000000000110… |
… | …01010011010110 |
3 | 112001000201022220 |
4 | 30000121103112 |
5 | 403031231410 |
6 | 31553203210 |
7 | 4664062101 |
oct | 1400312326 |
9 | 461021286 |
10 | 201430230 |
11 | a377a571 |
12 | 57560506 |
13 | 329682b1 |
14 | 1ca75738 |
15 | 12a3d070 |
hex | c0194d6 |
201430230 has 32 divisors (see below), whose sum is σ = 500104800. Its totient is φ = 51862272.
The previous prime is 201430213. The next prime is 201430231. The reversal of 201430230 is 32034102.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201430231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114895 + ... + 116634.
It is an arithmetic number, because the mean of its divisors is an integer number (15628275).
Almost surely, 2201430230 is an apocalyptic number.
201430230 is an abundant number, since it is smaller than the sum of its proper divisors (298674570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
201430230 is a wasteful number, since it uses less digits than its factorization.
201430230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 231568.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 201430230 is about 14192.6118103751. The cubic root of 201430230 is about 586.1942438294.
Adding to 201430230 its reverse (32034102), we get a palindrome (233464332).
The spelling of 201430230 in words is "two hundred one million, four hundred thirty thousand, two hundred thirty".
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