Base | Representation |
---|---|
bin | 1011010001010… |
… | …0100110001110 |
3 | 10021221120122100 |
4 | 2310110212032 |
5 | 44100122121 |
6 | 4405055530 |
7 | 1112535150 |
oct | 264244616 |
9 | 107846570 |
10 | 47270286 |
11 | 24756958 |
12 | 139b75a6 |
13 | 9a40aab |
14 | 63c6ad0 |
15 | 423b026 |
hex | 2d1498e |
47270286 has 48 divisors (see below), whose sum is σ = 117936000. Its totient is φ = 13403664.
The previous prime is 47270263. The next prime is 47270291. The reversal of 47270286 is 68207274.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 47270286.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16165 + ... + 18863.
It is an arithmetic number, because the mean of its divisors is an integer number (2457000).
Almost surely, 247270286 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47270286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58968000).
47270286 is an abundant number, since it is smaller than the sum of its proper divisors (70665714).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47270286 is a wasteful number, since it uses less digits than its factorization.
47270286 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2853 (or 2850 counting only the distinct ones).
The product of its (nonzero) digits is 37632, while the sum is 36.
The square root of 47270286 is about 6875.3389734616. The cubic root of 47270286 is about 361.5730699444.
The spelling of 47270286 in words is "forty-seven million, two hundred seventy thousand, two hundred eighty-six".
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