Base | Representation |
---|---|
bin | 1010001001110… |
… | …0001010011111 |
3 | 2222010102110120 |
4 | 2202130022133 |
5 | 41400121222 |
6 | 4120410023 |
7 | 1024642530 |
oct | 242341237 |
9 | 88112416 |
10 | 42582687 |
11 | 22045004 |
12 | 12316913 |
13 | 8a8c274 |
14 | 5926687 |
15 | 3b1215c |
hex | 289c29f |
42582687 has 8 divisors (see below), whose sum is σ = 64887936. Its totient is φ = 24332952.
The previous prime is 42582679. The next prime is 42582689. The reversal of 42582687 is 78628524.
It is a happy number.
42582687 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 not a de Polignac number, because 42582687 - 23 = 42582679 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42582689) 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, 1013853 + ... + 1013894.
It is an arithmetic number, because the mean of its divisors is an integer number (8110992).
Almost surely, 242582687 is an apocalyptic number.
42582687 is a deficient number, since it is larger than the sum of its proper divisors (22305249).
42582687 is a wasteful number, since it uses less digits than its factorization.
42582687 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2027757.
The product of its digits is 215040, while the sum is 42.
The square root of 42582687 is about 6525.5411269871. The cubic root of 42582687 is about 349.2027759516.
The spelling of 42582687 in words is "forty-two million, five hundred eighty-two thousand, six hundred eighty-seven".
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