Base | Representation |
---|---|
bin | 1010010001011… |
… | …01111001001000 |
3 | 20000010221200020 |
4 | 11020231321020 |
5 | 134024434313 |
6 | 12314540440 |
7 | 2064305004 |
oct | 510557110 |
9 | 200127606 |
10 | 86171208 |
11 | 44706782 |
12 | 24a37720 |
13 | 14b112a6 |
14 | b631704 |
15 | 7872323 |
hex | 522de48 |
86171208 has 16 divisors (see below), whose sum is σ = 215428080. Its totient is φ = 28723728.
The previous prime is 86171167. The next prime is 86171263. The reversal of 86171208 is 80217168.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1795210 + ... + 1795257.
It is an arithmetic number, because the mean of its divisors is an integer number (13464255).
Almost surely, 286171208 is an apocalyptic number.
It is an amenable number.
86171208 is an abundant number, since it is smaller than the sum of its proper divisors (129256872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86171208 is a wasteful number, since it uses less digits than its factorization.
86171208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3590476 (or 3590472 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 33.
The square root of 86171208 is about 9282.8448225746. The cubic root of 86171208 is about 441.6932140840.
The spelling of 86171208 in words is "eighty-six million, one hundred seventy-one thousand, two hundred eight".
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