Base | Representation |
---|---|
bin | 1010001001101… |
… | …1010000111101 |
3 | 2222010020102012 |
4 | 2202123100331 |
5 | 41400012010 |
6 | 4120341005 |
7 | 1024626020 |
oct | 242332075 |
9 | 88106365 |
10 | 42579005 |
11 | 22042267 |
12 | 12314765 |
13 | 8a8a6a1 |
14 | 59251b7 |
15 | 3b11005 |
hex | 289b43d |
42579005 has 8 divisors (see below), whose sum is σ = 58394112. Its totient is φ = 29197008.
The previous prime is 42579001. The next prime is 42579007. The reversal of 42579005 is 50097524.
42579005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 42579005 - 22 = 42579001 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42579001) 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 7 ways as a sum of consecutive naturals, for example, 608237 + ... + 608306.
It is an arithmetic number, because the mean of its divisors is an integer number (7299264).
Almost surely, 242579005 is an apocalyptic number.
It is an amenable number.
42579005 is a deficient number, since it is larger than the sum of its proper divisors (15815107).
42579005 is a wasteful number, since it uses less digits than its factorization.
42579005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1216555.
The product of its (nonzero) digits is 12600, while the sum is 32.
The square root of 42579005 is about 6525.2589986912. The cubic root of 42579005 is about 349.1927108150.
The spelling of 42579005 in words is "forty-two million, five hundred seventy-nine thousand, five".
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