Base | Representation |
---|---|
bin | 11011001111011… |
… | …01110110011011 |
3 | 120220222202221221 |
4 | 31213231312123 |
5 | 431444441402 |
6 | 34401512511 |
7 | 5443230103 |
oct | 1547556633 |
9 | 526882857 |
10 | 228515227 |
11 | 107a99966 |
12 | 64642737 |
13 | 3845c515 |
14 | 224c6203 |
15 | 150dd337 |
hex | d9edd9b |
228515227 has 8 divisors (see below), whose sum is σ = 232263792. Its totient is φ = 224796000.
The previous prime is 228515197. The next prime is 228515237. The reversal of 228515227 is 722515822.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 228515227 - 211 = 228513179 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 228515192 and 228515201.
It is not an unprimeable number, because it can be changed into a prime (228515237) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8652 + ... + 23062.
It is an arithmetic number, because the mean of its divisors is an integer number (29032974).
Almost surely, 2228515227 is an apocalyptic number.
228515227 is a deficient number, since it is larger than the sum of its proper divisors (3748565).
228515227 is a wasteful number, since it uses less digits than its factorization.
228515227 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14669.
The product of its digits is 22400, while the sum is 34.
The square root of 228515227 is about 15116.7201138342. The cubic root of 228515227 is about 611.3713008764.
The spelling of 228515227 in words is "two hundred twenty-eight million, five hundred fifteen thousand, two hundred twenty-seven".
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