Base | Representation |
---|---|
bin | 10111111101110… |
… | …00001000100111 |
3 | 112000021111101012 |
4 | 23332320020213 |
5 | 402431012411 |
6 | 31540452435 |
7 | 4660513541 |
oct | 1376701047 |
9 | 460244335 |
10 | 201032231 |
11 | a3528544 |
12 | 573aa11b |
13 | 328590aa |
14 | 1c9b0691 |
15 | 129b018b |
hex | bfb8227 |
201032231 has 2 divisors, whose sum is σ = 201032232. Its totient is φ = 201032230.
The previous prime is 201032219. The next prime is 201032239. The reversal of 201032231 is 132230102.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 201032231 - 214 = 201015847 is a prime.
It is a super-2 number, since 2×2010322312 = 80827915801674722, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (201032239) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100516115 + 100516116.
It is an arithmetic number, because the mean of its divisors is an integer number (100516116).
Almost surely, 2201032231 is an apocalyptic number.
201032231 is a deficient number, since it is larger than the sum of its proper divisors (1).
201032231 is an equidigital number, since it uses as much as digits as its factorization.
201032231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 201032231 is about 14178.5835329203. The cubic root of 201032231 is about 585.8079089824.
Adding to 201032231 its reverse (132230102), we get a palindrome (333262333).
The spelling of 201032231 in words is "two hundred one million, thirty-two thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •