Base | Representation |
---|---|
bin | 1000011110010… |
… | …01100111111001 |
3 | 11221202021000221 |
4 | 10033021213321 |
5 | 121144033231 |
6 | 11015300041 |
7 | 1522113415 |
oct | 417114771 |
9 | 157667027 |
10 | 71080441 |
11 | 37139873 |
12 | 1b97a621 |
13 | 11959543 |
14 | 9623d45 |
15 | 6390d11 |
hex | 43c99f9 |
71080441 has 8 divisors (see below), whose sum is σ = 73153800. Its totient is φ = 69015168.
The previous prime is 71080423. The next prime is 71080483. The reversal of 71080441 is 14408017.
It can be written as a sum of positive squares in 4 ways, for example, as 32400 + 71048041 = 180^2 + 8429^2 .
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 71080441 - 29 = 71079929 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (71080411) 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, 18885 + ... + 22333.
It is an arithmetic number, because the mean of its divisors is an integer number (9144225).
Almost surely, 271080441 is an apocalyptic number.
It is an amenable number.
71080441 is a deficient number, since it is larger than the sum of its proper divisors (2073359).
71080441 is a wasteful number, since it uses less digits than its factorization.
71080441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4043.
The product of its (nonzero) digits is 896, while the sum is 25.
The square root of 71080441 is about 8430.9217171078. The cubic root of 71080441 is about 414.2380969166.
Adding to 71080441 its reverse (14408017), we get a palindrome (85488458).
The spelling of 71080441 in words is "seventy-one million, eighty thousand, four hundred forty-one".
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