Base | Representation |
---|---|
bin | 100000011111111… |
… | …000111001010001 |
3 | 1101222221120112011 |
4 | 200133320321101 |
5 | 2104034333132 |
6 | 130034102521 |
7 | 16340245024 |
oct | 4037707121 |
9 | 1358846464 |
10 | 545230417 |
11 | 25a84a756 |
12 | 13271aa41 |
13 | 88c60564 |
14 | 525ab1bb |
15 | 32ceeb47 |
hex | 207f8e51 |
545230417 has 2 divisors, whose sum is σ = 545230418. Its totient is φ = 545230416.
The previous prime is 545230393. The next prime is 545230471. The reversal of 545230417 is 714032545.
545230417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
Together with next prime (545230471) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 528264256 + 16966161 = 22984^2 + 4119^2 .
It is a cyclic number.
It is not a de Polignac number, because 545230417 - 215 = 545197649 is a prime.
It is equal to p28608142 and since 545230417 and 28608142 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (545230487) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272615208 + 272615209.
It is an arithmetic number, because the mean of its divisors is an integer number (272615209).
Almost surely, 2545230417 is an apocalyptic number.
It is an amenable number.
545230417 is a deficient number, since it is larger than the sum of its proper divisors (1).
545230417 is an equidigital number, since it uses as much as digits as its factorization.
545230417 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 16800, while the sum is 31.
The square root of 545230417 is about 23350.1695282925. The cubic root of 545230417 is about 816.9460150190.
The spelling of 545230417 in words is "five hundred forty-five million, two hundred thirty thousand, four hundred seventeen".
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