Base | Representation |
---|---|
bin | 11101001100000… |
… | …110101011101001 |
3 | 1021010110222001212 |
4 | 131030012223221 |
5 | 2000331243421 |
6 | 120332122505 |
7 | 15064325555 |
oct | 3514065351 |
9 | 1233428055 |
10 | 489712361 |
11 | 231480166 |
12 | 118006435 |
13 | 7a5c2638 |
14 | 49078865 |
15 | 2ced4e5b |
hex | 1d306ae9 |
489712361 has 2 divisors, whose sum is σ = 489712362. Its totient is φ = 489712360.
The previous prime is 489712277. The next prime is 489712393. The reversal of 489712361 is 163217984.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 379041961 + 110670400 = 19469^2 + 10520^2 .
It is a cyclic number.
It is not a de Polignac number, because 489712361 - 218 = 489450217 is a prime.
It is not a weakly prime, because it can be changed into another prime (489712261) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244856180 + 244856181.
It is an arithmetic number, because the mean of its divisors is an integer number (244856181).
Almost surely, 2489712361 is an apocalyptic number.
It is an amenable number.
489712361 is a deficient number, since it is larger than the sum of its proper divisors (1).
489712361 is an equidigital number, since it uses as much as digits as its factorization.
489712361 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 72576, while the sum is 41.
The square root of 489712361 is about 22129.4455646769. The cubic root of 489712361 is about 788.2192228708.
The spelling of 489712361 in words is "four hundred eighty-nine million, seven hundred twelve thousand, three hundred sixty-one".
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