Base | Representation |
---|---|
bin | 11011010000011… |
… | …10110011011101 |
3 | 120221020122010010 |
4 | 31220032303131 |
5 | 432013301310 |
6 | 34404433433 |
7 | 5444331450 |
oct | 1550166335 |
9 | 527218103 |
10 | 228650205 |
11 | 108081313 |
12 | 646a8879 |
13 | 384a8aa4 |
14 | 2251d497 |
15 | 15118320 |
hex | da0ecdd |
228650205 has 32 divisors (see below), whose sum is σ = 419088384. Its totient is φ = 104279616.
The previous prime is 228650197. The next prime is 228650209. The reversal of 228650205 is 502056822.
It is not a de Polignac number, because 228650205 - 23 = 228650197 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228650209) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46704 + ... + 51366.
It is an arithmetic number, because the mean of its divisors is an integer number (13096512).
Almost surely, 2228650205 is an apocalyptic number.
It is an amenable number.
228650205 is a deficient number, since it is larger than the sum of its proper divisors (190438179).
228650205 is a wasteful number, since it uses less digits than its factorization.
228650205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5145.
The product of its (nonzero) digits is 9600, while the sum is 30.
The square root of 228650205 is about 15121.1839814216. The cubic root of 228650205 is about 611.4916508914.
The spelling of 228650205 in words is "two hundred twenty-eight million, six hundred fifty thousand, two hundred five".
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