Base | Representation |
---|---|
bin | 1010110110010… |
… | …1101100011001 |
3 | 10011121220112200 |
4 | 2231211230121 |
5 | 43122132210 |
6 | 4303200413 |
7 | 1061534346 |
oct | 255455431 |
9 | 104556480 |
10 | 45505305 |
11 | 2376089a |
12 | 132a6109 |
13 | 9573621 |
14 | 60877cd |
15 | 3edd0c0 |
hex | 2b65b19 |
45505305 has 12 divisors (see below), whose sum is σ = 78875940. Its totient is φ = 24269472.
The previous prime is 45505279. The next prime is 45505333. The reversal of 45505305 is 50350554.
It can be written as a sum of positive squares in 2 ways, for example, as 33143049 + 12362256 = 5757^2 + 3516^2 .
It is not a de Polignac number, because 45505305 - 213 = 45497113 is a prime.
It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 505570 + ... + 505659.
It is an arithmetic number, because the mean of its divisors is an integer number (6572995).
Almost surely, 245505305 is an apocalyptic number.
45505305 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
45505305 is a deficient number, since it is larger than the sum of its proper divisors (33370635).
45505305 is a wasteful number, since it uses less digits than its factorization.
45505305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1011240 (or 1011237 counting only the distinct ones).
The product of its (nonzero) digits is 7500, while the sum is 27.
The square root of 45505305 is about 6745.7620029171. The cubic root of 45505305 is about 357.0157232441.
Adding to 45505305 its reverse (50350554), we get a palindrome (95855859).
The spelling of 45505305 in words is "forty-five million, five hundred five thousand, three hundred five".
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