Base | Representation |
---|---|
bin | 1011010000100… |
… | …1100110001011 |
3 | 10021212021211111 |
4 | 2310021212023 |
5 | 44042201402 |
6 | 4404111151 |
7 | 1112256610 |
oct | 264114613 |
9 | 107767744 |
10 | 47225227 |
11 | 24726015 |
12 | 139954b7 |
13 | 9a2642a |
14 | 63b4507 |
15 | 422c9d7 |
hex | 2d0998b |
47225227 has 4 divisors (see below), whose sum is σ = 53971696. Its totient is φ = 40478760.
The previous prime is 47225221. The next prime is 47225237. The reversal of 47225227 is 72252274.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72252274 = 2 ⋅36126137.
It is not a de Polignac number, because 47225227 - 23 = 47225219 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (47225221) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3373224 + ... + 3373237.
It is an arithmetic number, because the mean of its divisors is an integer number (13492924).
Almost surely, 247225227 is an apocalyptic number.
47225227 is a deficient number, since it is larger than the sum of its proper divisors (6746469).
47225227 is an equidigital number, since it uses as much as digits as its factorization.
47225227 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6746468.
The product of its digits is 15680, while the sum is 31.
The square root of 47225227 is about 6872.0613355819. The cubic root of 47225227 is about 361.4581471480.
The spelling of 47225227 in words is "forty-seven million, two hundred twenty-five thousand, two hundred twenty-seven".
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