Base | Representation |
---|---|
bin | 1011011000000… |
… | …0011010000001 |
3 | 10022210000101102 |
4 | 2312000122001 |
5 | 44203234443 |
6 | 4422344145 |
7 | 1116354446 |
oct | 266003201 |
9 | 108700342 |
10 | 47711873 |
11 | 24a28700 |
12 | 13b8b055 |
13 | 9b66aa1 |
14 | 649d9cd |
15 | 42c6cb8 |
hex | 2d80681 |
47711873 has 12 divisors (see below), whose sum is σ = 54256020. Its totient is φ = 41875680.
The previous prime is 47711861. The next prime is 47711887. The reversal of 47711873 is 37811774.
It can be written as a sum of positive squares in 2 ways, for example, as 13337104 + 34374769 = 3652^2 + 5863^2 .
It is a de Polignac number, because none of the positive numbers 2k-47711873 is a prime.
It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (47711773) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3290 + ... + 10307.
It is an arithmetic number, because the mean of its divisors is an integer number (4521335).
Almost surely, 247711873 is an apocalyptic number.
It is an amenable number.
47711873 is a deficient number, since it is larger than the sum of its proper divisors (6544147).
47711873 is a wasteful number, since it uses less digits than its factorization.
47711873 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13648 (or 13637 counting only the distinct ones).
The product of its digits is 32928, while the sum is 38.
The square root of 47711873 is about 6907.3781567249. The cubic root of 47711873 is about 362.6954899590.
Subtracting from 47711873 its reverse (37811774), we obtain a palindrome (9900099).
It can be divided in two parts, 47711 and 873, that added together give a palindrome (48584).
The spelling of 47711873 in words is "forty-seven million, seven hundred eleven thousand, eight hundred seventy-three".
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