Base | Representation |
---|---|
bin | 1000011111010… |
… | …00010100111001 |
3 | 11221222122112201 |
4 | 10033220110321 |
5 | 121212044301 |
6 | 11022110201 |
7 | 1523146153 |
oct | 417502471 |
9 | 157878481 |
10 | 71206201 |
11 | 37215300 |
12 | 1ba1b361 |
13 | 119a1861 |
14 | 9657ad3 |
15 | 63b8201 |
hex | 43e8539 |
71206201 has 6 divisors (see below), whose sum is σ = 78268106. Its totient is φ = 64732800.
The previous prime is 71206199. The next prime is 71206207. The reversal of 71206201 is 10260217.
It can be written as a sum of positive squares in only one way, i.e., 52707600 + 18498601 = 7260^2 + 4301^2 .
It is not a de Polignac number, because 71206201 - 21 = 71206199 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (71206207) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 294120 + ... + 294361.
Almost surely, 271206201 is an apocalyptic number.
It is an amenable number.
71206201 is a deficient number, since it is larger than the sum of its proper divisors (7061905).
71206201 is a wasteful number, since it uses less digits than its factorization.
71206201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 588503 (or 588492 counting only the distinct ones).
The product of its (nonzero) digits is 168, while the sum is 19.
The square root of 71206201 is about 8438.3766803811. The cubic root of 71206201 is about 414.4822517056.
Adding to 71206201 its reverse (10260217), we get a palindrome (81466418).
The spelling of 71206201 in words is "seventy-one million, two hundred six thousand, two hundred one".
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