Base | Representation |
---|---|
bin | 1011011010100… |
… | …0110010100101 |
3 | 10100002102021210 |
4 | 2312220302211 |
5 | 44224033120 |
6 | 4430102033 |
7 | 1120643631 |
oct | 266506245 |
9 | 110072253 |
10 | 47877285 |
11 | 25030a05 |
12 | 1404a919 |
13 | 9bc4171 |
14 | 6503dc1 |
15 | 430ace0 |
hex | 2da8ca5 |
47877285 has 16 divisors (see below), whose sum is σ = 78050304. Its totient is φ = 25052352.
The previous prime is 47877281. The next prime is 47877293. The reversal of 47877285 is 58277874.
It is a happy number.
47877285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 47877285 - 22 = 47877281 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47877281) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 29317 + ... + 30906.
It is an arithmetic number, because the mean of its divisors is an integer number (4878144).
Almost surely, 247877285 is an apocalyptic number.
It is an amenable number.
47877285 is a deficient number, since it is larger than the sum of its proper divisors (30173019).
47877285 is a wasteful number, since it uses less digits than its factorization.
47877285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60284.
The product of its digits is 878080, while the sum is 48.
The square root of 47877285 is about 6919.3413703907. The cubic root of 47877285 is about 363.1141487727.
The spelling of 47877285 in words is "forty-seven million, eight hundred seventy-seven thousand, two hundred eighty-five".
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