Base | Representation |
---|---|
bin | 10111111111110… |
… | …11110000101011 |
3 | 112000210120100022 |
4 | 23333323300223 |
5 | 403013343402 |
6 | 31550431055 |
7 | 4663046240 |
oct | 1377736053 |
9 | 460716308 |
10 | 201309227 |
11 | a36a7669 |
12 | 5750248b |
13 | 329251b2 |
14 | 1ca435c7 |
15 | 12a172a2 |
hex | bffbc2b |
201309227 has 8 divisors (see below), whose sum is σ = 230342400. Its totient is φ = 172344744.
The previous prime is 201309209. The next prime is 201309247. The reversal of 201309227 is 722903102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 201309227 - 214 = 201292843 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 201309196 and 201309205.
It is not an unprimeable number, because it can be changed into a prime (201309247) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10727 + ... + 22752.
It is an arithmetic number, because the mean of its divisors is an integer number (28792800).
Almost surely, 2201309227 is an apocalyptic number.
201309227 is a deficient number, since it is larger than the sum of its proper divisors (29033173).
201309227 is an equidigital number, since it uses as much as digits as its factorization.
201309227 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34345.
The product of its (nonzero) digits is 1512, while the sum is 26.
The square root of 201309227 is about 14188.3482830103. The cubic root of 201309227 is about 586.0768409449.
The spelling of 201309227 in words is "two hundred one million, three hundred nine thousand, two hundred twenty-seven".
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