Base | Representation |
---|---|
bin | 11100001000100… |
… | …011101001101011 |
3 | 1012220011100110002 |
4 | 130020203221223 |
5 | 1431313131402 |
6 | 114500413215 |
7 | 14460656351 |
oct | 3410435153 |
9 | 1186140402 |
10 | 472005227 |
11 | 222486571 |
12 | 1120a720b |
13 | 76a32a45 |
14 | 469897d1 |
15 | 2b688602 |
hex | 1c223a6b |
472005227 has 4 divisors (see below), whose sum is σ = 480911040. Its totient is φ = 463099416.
The previous prime is 472005199. The next prime is 472005253. The reversal of 472005227 is 722500274.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722500274 = 2 ⋅361250137.
It is a cyclic number.
It is not a de Polignac number, because 472005227 - 222 = 467810923 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 472005227.
It is not an unprimeable number, because it can be changed into a prime (472005427) 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, 4452827 + ... + 4452932.
It is an arithmetic number, because the mean of its divisors is an integer number (120227760).
Almost surely, 2472005227 is an apocalyptic number.
472005227 is a deficient number, since it is larger than the sum of its proper divisors (8905813).
472005227 is an equidigital number, since it uses as much as digits as its factorization.
472005227 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8905812.
The product of its (nonzero) digits is 7840, while the sum is 29.
The square root of 472005227 is about 21725.6812781556. The cubic root of 472005227 is about 778.6021572731.
The spelling of 472005227 in words is "four hundred seventy-two million, five thousand, two hundred twenty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •