Base | Representation |
---|---|
bin | 100000011111010… |
… | …000100010010001 |
3 | 1101222122011202111 |
4 | 200133100202101 |
5 | 2104014040410 |
6 | 130030345321 |
7 | 16335656044 |
oct | 4037204221 |
9 | 1358564674 |
10 | 545065105 |
11 | 25a747532 |
12 | 13265b241 |
13 | 88c03240 |
14 | 52566c5b |
15 | 32cbab8a |
hex | 207d0891 |
545065105 has 16 divisors (see below), whose sum is σ = 710634960. Its totient is φ = 398942208.
The previous prime is 545065061. The next prime is 545065123. The reversal of 545065105 is 501560545.
It can be written as a sum of positive squares in 8 ways, for example, as 34621456 + 510443649 = 5884^2 + 22593^2 .
It is a cyclic number.
It is not a de Polignac number, because 545065105 - 213 = 545056913 is a prime.
It is a super-2 number, since 2×5450651052 = 594191937377322050, which contains 22 as substring.
It is an unprimeable number.
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, 29760 + ... + 44449.
It is an arithmetic number, because the mean of its divisors is an integer number (44414685).
Almost surely, 2545065105 is an apocalyptic number.
It is an amenable number.
545065105 is a deficient number, since it is larger than the sum of its proper divisors (165569855).
545065105 is a wasteful number, since it uses less digits than its factorization.
545065105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74340.
The product of its (nonzero) digits is 15000, while the sum is 31.
The square root of 545065105 is about 23346.6294141146. The cubic root of 545065105 is about 816.8634415927.
The spelling of 545065105 in words is "five hundred forty-five million, sixty-five thousand, one hundred five".
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