Base | Representation |
---|---|
bin | 1100101100001… |
… | …1001000001101 |
3 | 10201011021011002 |
4 | 3023003020031 |
5 | 102111244140 |
6 | 5140510045 |
7 | 1214300543 |
oct | 313031015 |
9 | 121137132 |
10 | 53228045 |
11 | 28056022 |
12 | 159ab325 |
13 | b0487b0 |
14 | 70d7d93 |
15 | 4a16415 |
hex | 32c320d |
53228045 has 16 divisors (see below), whose sum is σ = 70468272. Its totient is φ = 38346240.
The previous prime is 53228039. The next prime is 53228047. The reversal of 53228045 is 54082235.
It can be written as a sum of positive squares in 8 ways, for example, as 17455684 + 35772361 = 4178^2 + 5981^2 .
It is not a de Polignac number, because 53228045 - 222 = 49033741 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 53227999 and 53228017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53228047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7322 + ... + 12651.
It is an arithmetic number, because the mean of its divisors is an integer number (4404267).
Almost surely, 253228045 is an apocalyptic number.
It is an amenable number.
53228045 is a deficient number, since it is larger than the sum of its proper divisors (17240227).
53228045 is a wasteful number, since it uses less digits than its factorization.
53228045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20032.
The product of its (nonzero) digits is 9600, while the sum is 29.
The square root of 53228045 is about 7295.7552727596. The cubic root of 53228045 is about 376.1665480860.
The spelling of 53228045 in words is "fifty-three million, two hundred twenty-eight thousand, forty-five".
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