Base | Representation |
---|---|
bin | 1010001010111… |
… | …1110011100101 |
3 | 2222021111211100 |
4 | 2202233303211 |
5 | 41410210031 |
6 | 4122230313 |
7 | 1025426223 |
oct | 242576345 |
9 | 88244740 |
10 | 42663141 |
11 | 2209a4a4 |
12 | 12355399 |
13 | 8ab9a81 |
14 | 5947b13 |
15 | 3b2ade6 |
hex | 28afce5 |
42663141 has 6 divisors (see below), whose sum is σ = 61624550. Its totient is φ = 28442088.
The previous prime is 42663139. The next prime is 42663157. The reversal of 42663141 is 14136624.
42663141 is a `hidden beast` number, since 4 + 26 + 631 + 4 + 1 = 666.
It can be written as a sum of positive squares in only one way, i.e., 22896225 + 19766916 = 4785^2 + 4446^2 .
It is not a de Polignac number, because 42663141 - 21 = 42663139 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 (42663641) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2370166 + ... + 2370183.
Almost surely, 242663141 is an apocalyptic number.
It is an amenable number.
42663141 is a deficient number, since it is larger than the sum of its proper divisors (18961409).
42663141 is a wasteful number, since it uses less digits than its factorization.
42663141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4740355 (or 4740352 counting only the distinct ones).
The product of its digits is 3456, while the sum is 27.
The square root of 42663141 is about 6531.7027642109. The cubic root of 42663141 is about 349.4225607746.
Adding to 42663141 its reverse (14136624), we get a palindrome (56799765).
The spelling of 42663141 in words is "forty-two million, six hundred sixty-three thousand, one hundred forty-one".
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