Base | Representation |
---|---|
bin | 11011001101101… |
… | …00101011010001 |
3 | 120220112212201101 |
4 | 31212310223101 |
5 | 431414443131 |
6 | 34352504401 |
7 | 5441233252 |
oct | 1546645321 |
9 | 526485641 |
10 | 228281041 |
11 | 107949a1a |
12 | 6454b101 |
13 | 383a9a51 |
14 | 22464b29 |
15 | 15093c61 |
hex | d9b4ad1 |
228281041 has 2 divisors, whose sum is σ = 228281042. Its totient is φ = 228281040.
The previous prime is 228280909. The next prime is 228281047. The reversal of 228281041 is 140182822.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 127780416 + 100500625 = 11304^2 + 10025^2 .
It is a cyclic number.
It is not a de Polignac number, because 228281041 - 29 = 228280529 is a prime.
It is a super-2 number, since 2×2282810412 = 104224467360087362, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (228281047) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114140520 + 114140521.
It is an arithmetic number, because the mean of its divisors is an integer number (114140521).
Almost surely, 2228281041 is an apocalyptic number.
It is an amenable number.
228281041 is a deficient number, since it is larger than the sum of its proper divisors (1).
228281041 is an equidigital number, since it uses as much as digits as its factorization.
228281041 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2048, while the sum is 28.
The square root of 228281041 is about 15108.9722019732. The cubic root of 228281041 is about 611.1623818496.
The spelling of 228281041 in words is "two hundred twenty-eight million, two hundred eighty-one thousand, forty-one".
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