Base | Representation |
---|---|
bin | 1011011001100… |
… | …0000000000000 |
3 | 10022221220221122 |
4 | 2312120000000 |
5 | 44214333022 |
6 | 4424411412 |
7 | 1120236263 |
oct | 266300000 |
9 | 108856848 |
10 | 47808512 |
11 | 24a94274 |
12 | 14016b68 |
13 | 9b9ba7b |
14 | 64c6cda |
15 | 42e5742 |
hex | 2d98000 |
47808512 has 32 divisors (see below), whose sum is σ = 95681100. Its totient is φ = 23887872.
The previous prime is 47808499. The next prime is 47808533. The reversal of 47808512 is 21580874.
It is a tau number, because it is divible by the number of its divisors (32).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32039 + ... + 33497.
Almost surely, 247808512 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 47808512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47840550).
47808512 is an abundant number, since it is smaller than the sum of its proper divisors (47872588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47808512 is an frugal number, since it uses more digits than its factorization.
47808512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1489 (or 1461 counting only the distinct ones).
The product of its (nonzero) digits is 17920, while the sum is 35.
The square root of 47808512 is about 6914.3699640676. The cubic root of 47808512 is about 362.9402011754.
The spelling of 47808512 in words is "forty-seven million, eight hundred eight thousand, five hundred twelve".
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