Base | Representation |
---|---|
bin | 110101000111… |
… | …0101000000000 |
3 | 1221101210010121 |
4 | 1222032220000 |
5 | 24112102133 |
6 | 2432510024 |
7 | 455461036 |
oct | 152165000 |
9 | 57353117 |
10 | 27847168 |
11 | 1479aa98 |
12 | 93ab314 |
13 | 5a0011b |
14 | 39ac556 |
15 | 26a102d |
hex | 1a8ea00 |
27847168 has 40 divisors (see below), whose sum is σ = 56187252. Its totient is φ = 13787136.
The previous prime is 27847153. The next prime is 27847177. The reversal of 27847168 is 86174872.
It can be written as a sum of positive squares in 2 ways, for example, as 27373824 + 473344 = 5232^2 + 688^2 .
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, 69946 + ... + 70342.
Almost surely, 227847168 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 27847168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28093626).
27847168 is an abundant number, since it is smaller than the sum of its proper divisors (28340084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27847168 is an equidigital number, since it uses as much as digits as its factorization.
27847168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 552 (or 536 counting only the distinct ones).
The product of its digits is 150528, while the sum is 43.
The square root of 27847168 is about 5277.0415954396. The cubic root of 27847168 is about 303.1054032465.
The spelling of 27847168 in words is "twenty-seven million, eight hundred forty-seven thousand, one hundred sixty-eight".
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