Base | Representation |
---|---|
bin | 100000011111010… |
… | …100010011100001 |
3 | 1101222122221221100 |
4 | 200133110103201 |
5 | 2104020034140 |
6 | 130030545013 |
7 | 16336052052 |
oct | 4037242341 |
9 | 1358587840 |
10 | 545080545 |
11 | 25a758099 |
12 | 132668169 |
13 | 88c0a289 |
14 | 5256c729 |
15 | 32cc0530 |
hex | 207d44e1 |
545080545 has 24 divisors (see below), whose sum is σ = 948745512. Its totient is φ = 289497600.
The previous prime is 545080541. The next prime is 545080553.
545080545 is nontrivially palindromic in base 10.
It can be written as a sum of positive squares in 4 ways, for example, as 43678881 + 501401664 = 6609^2 + 22392^2 .
It is not a de Polignac number, because 545080545 - 22 = 545080541 is a prime.
It is a super-2 number, since 2×5450805452 = 594225601074994050, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (545080541) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14286 + ... + 35975.
It is an arithmetic number, because the mean of its divisors is an integer number (39531063).
Almost surely, 2545080545 is an apocalyptic number.
It is an amenable number.
545080545 is a deficient number, since it is larger than the sum of its proper divisors (403664967).
545080545 is a wasteful number, since it uses less digits than its factorization.
545080545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50513 (or 50510 counting only the distinct ones).
The product of its (nonzero) digits is 80000, while the sum is 36.
The square root of 545080545 is about 23346.9600804901. The cubic root of 545080545 is about 816.8711545872.
Subtracting from 545080545 its product of nonzero digits (80000), we obtain a palindrome (545000545).
The spelling of 545080545 in words is "five hundred forty-five million, eighty thousand, five hundred forty-five".
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