Base | Representation |
---|---|
bin | 1011010000111… |
… | …0001001001001 |
3 | 10021220020101012 |
4 | 2310032021021 |
5 | 44043300344 |
6 | 4404333305 |
7 | 1112365112 |
oct | 264161111 |
9 | 107806335 |
10 | 47243849 |
11 | 24739004 |
12 | 139a4235 |
13 | 9a31a53 |
14 | 63bb209 |
15 | 423329e |
hex | 2d0e249 |
47243849 has 8 divisors (see below), whose sum is σ = 48982752. Its totient is φ = 45532960.
The previous prime is 47243827. The next prime is 47243851. The reversal of 47243849 is 94834274.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 47243849 - 28 = 47243593 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (41).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (47243869) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3539 + ... + 10344.
It is an arithmetic number, because the mean of its divisors is an integer number (6122844).
Almost surely, 247243849 is an apocalyptic number.
It is an amenable number.
47243849 is a deficient number, since it is larger than the sum of its proper divisors (1738903).
47243849 is a wasteful number, since it uses less digits than its factorization.
47243849 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14007.
The product of its digits is 193536, while the sum is 41.
The square root of 47243849 is about 6873.4161084573. The cubic root of 47243849 is about 361.5056513423.
The spelling of 47243849 in words is "forty-seven million, two hundred forty-three thousand, eight hundred forty-nine".
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