Base | Representation |
---|---|
bin | 11011010010000… |
… | …00111100100001 |
3 | 120221122001211210 |
4 | 31221000330201 |
5 | 432041334320 |
6 | 34413100333 |
7 | 5446145310 |
oct | 1551007441 |
9 | 527561753 |
10 | 228855585 |
11 | 108201652 |
12 | 647876a9 |
13 | 3854b40a |
14 | 22574277 |
15 | 151590e0 |
hex | da40f21 |
228855585 has 32 divisors (see below), whose sum is σ = 424737792. Its totient is φ = 103055040.
The previous prime is 228855569. The next prime is 228855593. The reversal of 228855585 is 585558822.
It is not a de Polignac number, because 228855585 - 24 = 228855569 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9231 + ... + 23300.
It is an arithmetic number, because the mean of its divisors is an integer number (13273056).
Almost surely, 2228855585 is an apocalyptic number.
It is an amenable number.
228855585 is a deficient number, since it is larger than the sum of its proper divisors (195882207).
228855585 is a wasteful number, since it uses less digits than its factorization.
228855585 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32613.
The product of its digits is 1280000, while the sum is 48.
The square root of 228855585 is about 15127.9735919918. The cubic root of 228855585 is about 611.6746823940.
The spelling of 228855585 in words is "two hundred twenty-eight million, eight hundred fifty-five thousand, five hundred eighty-five".
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