Base | Representation |
---|---|
bin | 11011010001010… |
… | …11010111100111 |
3 | 120221110120121112 |
4 | 31220223113213 |
5 | 432031022312 |
6 | 34411135235 |
7 | 5445326534 |
oct | 1550532747 |
9 | 527416545 |
10 | 228767207 |
11 | 108151209 |
12 | 6474451b |
13 | 3851a116 |
14 | 2254dd8b |
15 | 1513cd22 |
hex | da2b5e7 |
228767207 has 2 divisors, whose sum is σ = 228767208. Its totient is φ = 228767206.
The previous prime is 228767159. The next prime is 228767213. The reversal of 228767207 is 702767822.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 228767207 - 218 = 228505063 is a prime.
It is equal to p12578558 and since 228767207 and 12578558 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (228761207) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114383603 + 114383604.
It is an arithmetic number, because the mean of its divisors is an integer number (114383604).
Almost surely, 2228767207 is an apocalyptic number.
228767207 is a deficient number, since it is larger than the sum of its proper divisors (1).
228767207 is an equidigital number, since it uses as much as digits as its factorization.
228767207 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 131712, while the sum is 41.
The square root of 228767207 is about 15125.0522974302. The cubic root of 228767207 is about 611.5959347051.
The spelling of 228767207 in words is "two hundred twenty-eight million, seven hundred sixty-seven thousand, two hundred seven".
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