Base | Representation |
---|---|
bin | 1000011110111… |
… | …11010010010000 |
3 | 11221220202202010 |
4 | 10033133102100 |
5 | 121204403133 |
6 | 11021222520 |
7 | 1522633200 |
oct | 417372220 |
9 | 157822663 |
10 | 71169168 |
11 | 3719a4a4 |
12 | 1ba01a40 |
13 | 1198aa45 |
14 | 9648400 |
15 | 63ac263 |
hex | 43df490 |
71169168 has 60 divisors (see below), whose sum is σ = 213877680. Its totient is φ = 20333376.
The previous prime is 71169143. The next prime is 71169187. The reversal of 71169168 is 86196117.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 12778 + ... + 17481.
It is an arithmetic number, because the mean of its divisors is an integer number (3564628).
Almost surely, 271169168 is an apocalyptic number.
It is an amenable number.
71169168 is an abundant number, since it is smaller than the sum of its proper divisors (142708512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71169168 is a wasteful number, since it uses less digits than its factorization.
71169168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30284 (or 30271 counting only the distinct ones).
The product of its digits is 18144, while the sum is 39.
The square root of 71169168 is about 8436.1820748488. The cubic root of 71169168 is about 414.4103844488.
The spelling of 71169168 in words is "seventy-one million, one hundred sixty-nine thousand, one hundred sixty-eight".
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