Base | Representation |
---|---|
bin | 100000011111001… |
… | …010101001110111 |
3 | 1101222120221201021 |
4 | 200133022221313 |
5 | 2104012303030 |
6 | 130030042011 |
7 | 16335525601 |
oct | 4037125167 |
9 | 1358527637 |
10 | 545041015 |
11 | 25a730422 |
12 | 132649307 |
13 | 88bc529c |
14 | 5255c171 |
15 | 32cb397a |
hex | 207caa77 |
545041015 has 4 divisors (see below), whose sum is σ = 654049224. Its totient is φ = 436032808.
The previous prime is 545041009. The next prime is 545041019. The reversal of 545041015 is 510140545.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 510140545 = 5 ⋅102028109.
It is a cyclic number.
It is not a de Polignac number, because 545041015 - 25 = 545040983 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 (545041019) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54504097 + ... + 54504106.
It is an arithmetic number, because the mean of its divisors is an integer number (163512306).
Almost surely, 2545041015 is an apocalyptic number.
545041015 is a deficient number, since it is larger than the sum of its proper divisors (109008209).
545041015 is a wasteful number, since it uses less digits than its factorization.
545041015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109008208.
The product of its (nonzero) digits is 2000, while the sum is 25.
The square root of 545041015 is about 23346.1134881162. The cubic root of 545041015 is about 816.8514072320.
The spelling of 545041015 in words is "five hundred forty-five million, forty-one thousand, fifteen".
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