Base | Representation |
---|---|
bin | 1010010111110… |
… | …11001000100010 |
3 | 20001201122212000 |
4 | 11023323020202 |
5 | 134233334444 |
6 | 12344544430 |
7 | 2104405635 |
oct | 513731042 |
9 | 201648760 |
10 | 87011874 |
11 | 45130344 |
12 | 25182116 |
13 | 15046b21 |
14 | b7adc1c |
15 | 798b469 |
hex | 52fb222 |
87011874 has 16 divisors (see below), whose sum is σ = 193359840. Its totient is φ = 29003940.
The previous prime is 87011857. The next prime is 87011923. The reversal of 87011874 is 47811078.
It is a Curzon number.
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 7 ways as a sum of consecutive naturals, for example, 805612 + ... + 805719.
It is an arithmetic number, because the mean of its divisors is an integer number (12084990).
Almost surely, 287011874 is an apocalyptic number.
87011874 is an abundant number, since it is smaller than the sum of its proper divisors (106347966).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87011874 is a wasteful number, since it uses less digits than its factorization.
87011874 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1611342 (or 1611336 counting only the distinct ones).
The product of its (nonzero) digits is 12544, while the sum is 36.
The square root of 87011874 is about 9328.0155445840. The cubic root of 87011874 is about 443.1249199724.
The spelling of 87011874 in words is "eighty-seven million, eleven thousand, eight hundred seventy-four".
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