Base | Representation |
---|---|
bin | 1010000000111… |
… | …0000111101011 |
3 | 2221000212100222 |
4 | 2200032013223 |
5 | 41223012000 |
6 | 4100120255 |
7 | 1020000350 |
oct | 240160753 |
9 | 87025328 |
10 | 42000875 |
11 | 21787974 |
12 | 1209608b |
13 | 89174b7 |
14 | 5814627 |
15 | 3a49a85 |
hex | 280e1eb |
42000875 has 32 divisors (see below), whose sum is σ = 62539776. Its totient is φ = 27535200.
The previous prime is 42000859. The next prime is 42000899. The reversal of 42000875 is 57800024.
It is not a de Polignac number, because 42000875 - 24 = 42000859 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19082 + ... + 21168.
It is an arithmetic number, because the mean of its divisors is an integer number (1954368).
Almost surely, 242000875 is an apocalyptic number.
42000875 is a deficient number, since it is larger than the sum of its proper divisors (20538901).
42000875 is a wasteful number, since it uses less digits than its factorization.
42000875 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2132 (or 2122 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 26.
The square root of 42000875 is about 6480.8082057719. The cubic root of 42000875 is about 347.6050783793.
Adding to 42000875 its reverse (57800024), we get a palindrome (99800899).
It can be divided in two parts, 42000 and 875, that added together give a cube (42875 = 353).
The spelling of 42000875 in words is "forty-two million, eight hundred seventy-five", and thus it is an aban number.
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