Base | Representation |
---|---|
bin | 1011011001111… |
… | …1011011010101 |
3 | 10100000110200100 |
4 | 2312133123111 |
5 | 44221321213 |
6 | 4425204313 |
7 | 1120424052 |
oct | 266373325 |
9 | 110013610 |
10 | 47838933 |
11 | 2500510a |
12 | 14030699 |
13 | 9bac87c |
14 | 64d4029 |
15 | 42ee773 |
hex | 2d9f6d5 |
47838933 has 12 divisors (see below), whose sum is σ = 69177420. Its totient is φ = 31857216.
The previous prime is 47838887. The next prime is 47838937. The reversal of 47838933 is 33983874.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 17994564 + 29844369 = 4242^2 + 5463^2 .
It is not a de Polignac number, because 47838933 - 217 = 47707861 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47838937) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7585 + ... + 12377.
It is an arithmetic number, because the mean of its divisors is an integer number (5764785).
Almost surely, 247838933 is an apocalyptic number.
It is an amenable number.
47838933 is a deficient number, since it is larger than the sum of its proper divisors (21338487).
47838933 is a wasteful number, since it uses less digits than its factorization.
47838933 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5908 (or 5905 counting only the distinct ones).
The product of its digits is 435456, while the sum is 45.
The square root of 47838933 is about 6916.5694531321. The cubic root of 47838933 is about 363.0171655931.
The spelling of 47838933 in words is "forty-seven million, eight hundred thirty-eight thousand, nine hundred thirty-three".
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