Base | Representation |
---|---|
bin | 1011010000100… |
… | …0101001001111 |
3 | 10021212002111001 |
4 | 2310020221033 |
5 | 44042040302 |
6 | 4404041131 |
7 | 1112242336 |
oct | 264105117 |
9 | 107762431 |
10 | 47221327 |
11 | 2472309a |
12 | 139931a7 |
13 | 9a2471a |
14 | 63b2d1d |
15 | 422b787 |
hex | 2d08a4f |
47221327 has 6 divisors (see below), whose sum is σ = 49837848. Its totient is φ = 44735652.
The previous prime is 47221303. The next prime is 47221333. The reversal of 47221327 is 72312274.
It is not a de Polignac number, because 47221327 - 27 = 47221199 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 47221295 and 47221304.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47221397) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65043 + ... + 65764.
It is an arithmetic number, because the mean of its divisors is an integer number (8306308).
Almost surely, 247221327 is an apocalyptic number.
47221327 is a deficient number, since it is larger than the sum of its proper divisors (2616521).
47221327 is a wasteful number, since it uses less digits than its factorization.
47221327 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 130845 (or 130826 counting only the distinct ones).
The product of its digits is 4704, while the sum is 28.
The square root of 47221327 is about 6871.7775720697. Note that the first 3 decimals coincide. The cubic root of 47221327 is about 361.4481967771.
The spelling of 47221327 in words is "forty-seven million, two hundred twenty-one thousand, three hundred twenty-seven".
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