Base | Representation |
---|---|
bin | 1011010001111… |
… | …0000110101011 |
3 | 10022000120001121 |
4 | 2310132012223 |
5 | 44102343402 |
6 | 4410000111 |
7 | 1113056530 |
oct | 264360653 |
9 | 108016047 |
10 | 47309227 |
11 | 24783139 |
12 | 13a16037 |
13 | 9a55734 |
14 | 63d6d87 |
15 | 4247837 |
hex | 2d1e1ab |
47309227 has 8 divisors (see below), whose sum is σ = 54311936. Its totient is φ = 40367592.
The previous prime is 47309189. The next prime is 47309243. The reversal of 47309227 is 72290374.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-47309227 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 47309192 and 47309201.
It is not an unprimeable number, because it can be changed into a prime (47309027) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13593 + ... + 16714.
It is an arithmetic number, because the mean of its divisors is an integer number (6788992).
Almost surely, 247309227 is an apocalyptic number.
47309227 is a deficient number, since it is larger than the sum of its proper divisors (7002709).
47309227 is a wasteful number, since it uses less digits than its factorization.
47309227 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30537.
The product of its (nonzero) digits is 21168, while the sum is 34.
The square root of 47309227 is about 6878.1703235672. The cubic root of 47309227 is about 361.6723299908.
The spelling of 47309227 in words is "forty-seven million, three hundred nine thousand, two hundred twenty-seven".
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