Base | Representation |
---|---|
bin | 1000010011010100… |
… | …0101111011111101 |
3 | 12202022100001122111 |
4 | 2010311011323331 |
5 | 14030444313321 |
6 | 1005044414021 |
7 | 106140012022 |
oct | 20465057375 |
9 | 5668301574 |
10 | 2228510461 |
11 | a43a32991 |
12 | 5223a7311 |
13 | 296904658 |
14 | 171d7d549 |
15 | d099e5e1 |
hex | 84d45efd |
2228510461 has 2 divisors, whose sum is σ = 2228510462. Its totient is φ = 2228510460.
The previous prime is 2228510443. The next prime is 2228510483. The reversal of 2228510461 is 1640158222.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2210786361 + 17724100 = 47019^2 + 4210^2 .
It is a cyclic number.
It is not a de Polignac number, because 2228510461 - 25 = 2228510429 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2228510491) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114255230 + 1114255231.
It is an arithmetic number, because the mean of its divisors is an integer number (1114255231).
Almost surely, 22228510461 is an apocalyptic number.
It is an amenable number.
2228510461 is a deficient number, since it is larger than the sum of its proper divisors (1).
2228510461 is an equidigital number, since it uses as much as digits as its factorization.
2228510461 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 7680, while the sum is 31.
The square root of 2228510461 is about 47207.1018068256. The cubic root of 2228510461 is about 1306.1856023258.
Adding to 2228510461 its reverse (1640158222), we get a palindrome (3868668683).
The spelling of 2228510461 in words is "two billion, two hundred twenty-eight million, five hundred ten thousand, four hundred sixty-one".
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