Base | Representation |
---|---|
bin | 1010000111111… |
… | …0010101101001 |
3 | 2221220012212220 |
4 | 2201332111221 |
5 | 41332214041 |
6 | 4114024253 |
7 | 1023623415 |
oct | 241762551 |
9 | 87805786 |
10 | 42460521 |
11 | 21a71244 |
12 | 12278089 |
13 | 8a4878c |
14 | 58d3d45 |
15 | 3adad66 |
hex | 287e569 |
42460521 has 8 divisors (see below), whose sum is σ = 56669184. Its totient is φ = 28279440.
The previous prime is 42460477. The next prime is 42460549. The reversal of 42460521 is 12506424.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 42460521 - 217 = 42329449 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 42460491 and 42460500.
It is not an unprimeable number, because it can be changed into a prime (42460591) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2985 + ... + 9686.
It is an arithmetic number, because the mean of its divisors is an integer number (7083648).
Almost surely, 242460521 is an apocalyptic number.
It is an amenable number.
42460521 is a deficient number, since it is larger than the sum of its proper divisors (14208663).
42460521 is a wasteful number, since it uses less digits than its factorization.
42460521 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13791.
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 42460521 is about 6516.1738006287. The cubic root of 42460521 is about 348.8685120281.
Adding to 42460521 its reverse (12506424), we get a palindrome (54966945).
The spelling of 42460521 in words is "forty-two million, four hundred sixty thousand, five hundred twenty-one".
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