Base | Representation |
---|---|
bin | 1010000111011… |
… | …1011000011001 |
3 | 2221211202210111 |
4 | 2201313120121 |
5 | 41330311100 |
6 | 4113244321 |
7 | 1023444346 |
oct | 241673031 |
9 | 87752714 |
10 | 42432025 |
11 | 21a51899 |
12 | 122636a1 |
13 | 8a3880c |
14 | 58c77cd |
15 | 3ad26ba |
hex | 2877619 |
42432025 has 12 divisors (see below), whose sum is σ = 54313984. Its totient is φ = 32850000.
The previous prime is 42432001. The next prime is 42432029. The reversal of 42432025 is 52023424.
42432025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 42432025 - 213 = 42423833 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 42431987 and 42432005.
It is not an unprimeable number, because it can be changed into a prime (42432029) 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 11 ways as a sum of consecutive naturals, for example, 26601 + ... + 28150.
Almost surely, 242432025 is an apocalyptic number.
It is an amenable number.
42432025 is a deficient number, since it is larger than the sum of its proper divisors (11881959).
42432025 is a wasteful number, since it uses less digits than its factorization.
42432025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54792 (or 54787 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 22.
The square root of 42432025 is about 6513.9868744111. The cubic root of 42432025 is about 348.7904506379.
Adding to 42432025 its reverse (52023424), we get a palindrome (94455449).
The spelling of 42432025 in words is "forty-two million, four hundred thirty-two thousand, twenty-five".
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