Base | Representation |
---|---|
bin | 10111111111111… |
… | …01001110101001 |
3 | 112000210212121001 |
4 | 23333331032221 |
5 | 403014041431 |
6 | 31550515001 |
7 | 4663102621 |
oct | 1377751651 |
9 | 460725531 |
10 | 201315241 |
11 | a3701136 |
12 | 57505a61 |
13 | 32927b5a |
14 | 1ca45881 |
15 | 12a18e61 |
hex | bffd3a9 |
201315241 has 32 divisors (see below), whose sum is σ = 233280000. Its totient is φ = 172541952.
The previous prime is 201315227. The next prime is 201315287. The reversal of 201315241 is 142513102.
It is a cyclic number.
It is not a de Polignac number, because 201315241 - 211 = 201313193 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (201315841) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1351035 + ... + 1351183.
It is an arithmetic number, because the mean of its divisors is an integer number (7290000).
Almost surely, 2201315241 is an apocalyptic number.
It is an amenable number.
201315241 is a deficient number, since it is larger than the sum of its proper divisors (31964759).
201315241 is a wasteful number, since it uses less digits than its factorization.
201315241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 321.
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 201315241 is about 14188.5602158922. The cubic root of 201315241 is about 586.0826771255.
Adding to 201315241 its reverse (142513102), we get a palindrome (343828343).
The spelling of 201315241 in words is "two hundred one million, three hundred fifteen thousand, two hundred forty-one".
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