Base | Representation |
---|---|
bin | 1011011011110… |
… | …0100011001000 |
3 | 10100020112022020 |
4 | 2312330203020 |
5 | 44234130331 |
6 | 4431524440 |
7 | 1121431605 |
oct | 266744310 |
9 | 110215266 |
10 | 47958216 |
11 | 25086799 |
12 | 14089720 |
13 | 9c21c57 |
14 | 65256ac |
15 | 4324c96 |
hex | 2dbc8c8 |
47958216 has 64 divisors (see below), whose sum is σ = 125582400. Its totient is φ = 15245568.
The previous prime is 47958203. The next prime is 47958247. The reversal of 47958216 is 61285974.
47958216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 15 ways as a sum of consecutive naturals, for example, 46555 + ... + 47573.
It is an arithmetic number, because the mean of its divisors is an integer number (1962225).
Almost surely, 247958216 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 47958216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62791200).
47958216 is an abundant number, since it is smaller than the sum of its proper divisors (77624184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47958216 is a wasteful number, since it uses less digits than its factorization.
47958216 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1118 (or 1114 counting only the distinct ones).
The product of its digits is 120960, while the sum is 42.
The square root of 47958216 is about 6925.1870732855. The cubic root of 47958216 is about 363.3186343874.
The spelling of 47958216 in words is "forty-seven million, nine hundred fifty-eight thousand, two hundred sixteen".
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