Base | Representation |
---|---|
bin | 1000011110101… |
… | …00010110001001 |
3 | 11221211111021121 |
4 | 10033110112021 |
5 | 121201434421 |
6 | 11020235241 |
7 | 1522355440 |
oct | 417242611 |
9 | 157744247 |
10 | 71124361 |
11 | 37169870 |
12 | 1b99bb21 |
13 | 11973529 |
14 | 9635d57 |
15 | 639dd41 |
hex | 43d4589 |
71124361 has 8 divisors (see below), whose sum is σ = 88674624. Its totient is φ = 55421520.
The previous prime is 71124359. The next prime is 71124367. The reversal of 71124361 is 16342117.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 71124361 - 21 = 71124359 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (71124367) 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, 461770 + ... + 461923.
It is an arithmetic number, because the mean of its divisors is an integer number (11084328).
Almost surely, 271124361 is an apocalyptic number.
It is an amenable number.
71124361 is a deficient number, since it is larger than the sum of its proper divisors (17550263).
71124361 is a wasteful number, since it uses less digits than its factorization.
71124361 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 923711.
The product of its digits is 1008, while the sum is 25.
The square root of 71124361 is about 8433.5260122917. The cubic root of 71124361 is about 414.3233974159.
Adding to 71124361 its reverse (16342117), we get a palindrome (87466478).
The spelling of 71124361 in words is "seventy-one million, one hundred twenty-four thousand, three hundred sixty-one".
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