Base | Representation |
---|---|
bin | 11010110100111… |
… | …10101111001111 |
3 | 120200110111022212 |
4 | 31122132233033 |
5 | 430102423310 |
6 | 34155301035 |
7 | 5401566125 |
oct | 1532365717 |
9 | 520414285 |
10 | 225045455 |
11 | 106039a88 |
12 | 6344a77b |
13 | 378160bb |
14 | 21c61915 |
15 | 14b55205 |
hex | d69ebcf |
225045455 has 16 divisors (see below), whose sum is σ = 282204864. Its totient is φ = 171959040.
The previous prime is 225045451. The next prime is 225045463. The reversal of 225045455 is 554540522.
It is not a de Polignac number, because 225045455 - 22 = 225045451 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (225045451) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134987 + ... + 136643.
It is an arithmetic number, because the mean of its divisors is an integer number (17637804).
Almost surely, 2225045455 is an apocalyptic number.
225045455 is a deficient number, since it is larger than the sum of its proper divisors (57159409).
225045455 is a wasteful number, since it uses less digits than its factorization.
225045455 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2866.
The product of its (nonzero) digits is 40000, while the sum is 32.
The square root of 225045455 is about 15001.5150901501. The cubic root of 225045455 is about 608.2611547983.
Adding to 225045455 its reverse (554540522), we get a palindrome (779585977).
The spelling of 225045455 in words is "two hundred twenty-five million, forty-five thousand, four hundred fifty-five".
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