Base | Representation |
---|---|
bin | 1010000010110… |
… | …1101001100001 |
3 | 2221021102112000 |
4 | 2200231221201 |
5 | 41241130032 |
6 | 4102554213 |
7 | 1021046016 |
oct | 240555141 |
9 | 87242460 |
10 | 42130017 |
11 | 218659a6 |
12 | 12138969 |
13 | 8961207 |
14 | 584970d |
15 | 3a72e7c |
hex | 282da61 |
42130017 has 8 divisors (see below), whose sum is σ = 62414880. Its totient is φ = 28086660.
The previous prime is 42130009. The next prime is 42130021. The reversal of 42130017 is 71003124.
It is not a de Polignac number, because 42130017 - 23 = 42130009 is a prime.
It is not an unprimeable number, because it can be changed into a prime (42130117) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 780159 + ... + 780212.
It is an arithmetic number, because the mean of its divisors is an integer number (7801860).
Almost surely, 242130017 is an apocalyptic number.
It is an amenable number.
42130017 is a deficient number, since it is larger than the sum of its proper divisors (20284863).
42130017 is a wasteful number, since it uses less digits than its factorization.
42130017 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1560380 (or 1560374 counting only the distinct ones).
The product of its (nonzero) digits is 168, while the sum is 18.
The square root of 42130017 is about 6490.7639766055. The cubic root of 42130017 is about 347.9609795726.
The spelling of 42130017 in words is "forty-two million, one hundred thirty thousand, seventeen".
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