Base | Representation |
---|---|
bin | 10111111111010… |
… | …00111101100110 |
3 | 112000122122201120 |
4 | 23333220331212 |
5 | 403003412410 |
6 | 31545034410 |
7 | 4662305613 |
oct | 1377507546 |
9 | 460578646 |
10 | 201232230 |
11 | a3654831 |
12 | 57485a06 |
13 | 328c9134 |
14 | 1ca2350a |
15 | 129ee570 |
hex | bfe8f66 |
201232230 has 96 divisors (see below), whose sum is σ = 540190944. Its totient is φ = 47803392.
The previous prime is 201232219. The next prime is 201232231. The reversal of 201232230 is 32232102.
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 (201232231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 183564 + ... + 184656.
It is an arithmetic number, because the mean of its divisors is an integer number (5626989).
Almost surely, 2201232230 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 201232230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270095472).
201232230 is an abundant number, since it is smaller than the sum of its proper divisors (338958714).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
201232230 is a wasteful number, since it uses less digits than its factorization.
201232230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1158 (or 1139 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 201232230 is about 14185.6346350807. The cubic root of 201232230 is about 586.0021102868.
Adding to 201232230 its reverse (32232102), we get a palindrome (233464332).
The spelling of 201232230 in words is "two hundred one million, two hundred thirty-two thousand, two hundred thirty".
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