Base | Representation |
---|---|
bin | 11011001010001… |
… | …10001001000001 |
3 | 120212200212122210 |
4 | 31211012021001 |
5 | 431311001124 |
6 | 34335052333 |
7 | 5434336263 |
oct | 1545061101 |
9 | 525625583 |
10 | 227828289 |
11 | 10766a847 |
12 | 643710a9 |
13 | 3827b950 |
14 | 22387b33 |
15 | 15004a29 |
hex | d946241 |
227828289 has 8 divisors (see below), whose sum is σ = 327138112. Its totient is φ = 140202000.
The previous prime is 227828281. The next prime is 227828309. The reversal of 227828289 is 982828722.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 227828289 - 23 = 227828281 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (227828281) 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, 2920837 + ... + 2920914.
It is an arithmetic number, because the mean of its divisors is an integer number (40892264).
Almost surely, 2227828289 is an apocalyptic number.
It is an amenable number.
227828289 is a deficient number, since it is larger than the sum of its proper divisors (99309823).
227828289 is a wasteful number, since it uses less digits than its factorization.
227828289 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5841767.
The product of its digits is 516096, while the sum is 48.
The square root of 227828289 is about 15093.9818802064. The cubic root of 227828289 is about 610.7580730177.
The spelling of 227828289 in words is "two hundred twenty-seven million, eight hundred twenty-eight thousand, two hundred eighty-nine".
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