Base | Representation |
---|---|
bin | 1011001111000… |
… | …0010110101001 |
3 | 10021200001000002 |
4 | 2303300112221 |
5 | 44030344313 |
6 | 4401552345 |
7 | 1111346303 |
oct | 263602651 |
9 | 107601002 |
10 | 47121833 |
11 | 24665370 |
12 | 139456b5 |
13 | 99bb355 |
14 | 6388973 |
15 | 420c058 |
hex | 2cf05a9 |
47121833 has 16 divisors (see below), whose sum is σ = 53065152. Its totient is φ = 41472000.
The previous prime is 47121827. The next prime is 47121847. The reversal of 47121833 is 33812174.
47121833 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 47121833 - 26 = 47121769 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 47121796 and 47121805.
It is not an unprimeable number, because it can be changed into a prime (47121863) 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, 73193 + ... + 73833.
It is an arithmetic number, because the mean of its divisors is an integer number (3316572).
Almost surely, 247121833 is an apocalyptic number.
It is an amenable number.
47121833 is a deficient number, since it is larger than the sum of its proper divisors (5943319).
47121833 is a wasteful number, since it uses less digits than its factorization.
47121833 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 856.
The product of its digits is 4032, while the sum is 29.
The square root of 47121833 is about 6864.5344343225. The cubic root of 47121833 is about 361.1941645724.
The spelling of 47121833 in words is "forty-seven million, one hundred twenty-one thousand, eight hundred thirty-three".
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