Base | Representation |
---|---|
bin | 1010000001110… |
… | …0100011100101 |
3 | 2221010212110222 |
4 | 2200130203211 |
5 | 41231410010 |
6 | 4101254125 |
7 | 1020334631 |
oct | 240344345 |
9 | 87125428 |
10 | 42060005 |
11 | 21818339 |
12 | 12104345 |
13 | 89383a0 |
14 | 582bdc1 |
15 | 3a5c355 |
hex | 281c8e5 |
42060005 has 32 divisors (see below), whose sum is σ = 57425760. Its totient is φ = 29352960.
The previous prime is 42059999. The next prime is 42060017. The reversal of 42060005 is 50006024.
It can be written as a sum of positive squares in 16 ways, for example, as 25421764 + 16638241 = 5042^2 + 4079^2 .
It is not a de Polignac number, because 42060005 - 214 = 42043621 is a prime.
It is a congruent number.
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 31 ways as a sum of consecutive naturals, for example, 99695 + ... + 100115.
It is an arithmetic number, because the mean of its divisors is an integer number (1794555).
Almost surely, 242060005 is an apocalyptic number.
It is an amenable number.
42060005 is a deficient number, since it is larger than the sum of its proper divisors (15365755).
42060005 is a wasteful number, since it uses less digits than its factorization.
42060005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 521.
The product of its (nonzero) digits is 240, while the sum is 17.
The square root of 42060005 is about 6485.3685323195. The cubic root of 42060005 is about 347.7681245886.
Adding to 42060005 its reverse (50006024), we get a palindrome (92066029).
The spelling of 42060005 in words is "forty-two million, sixty thousand, five".
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