Base | Representation |
---|---|
bin | 1010000111011… |
… | …1011010001101 |
3 | 2221211202221210 |
4 | 2201313122031 |
5 | 41330312031 |
6 | 4113245033 |
7 | 1023444603 |
oct | 241673215 |
9 | 87752853 |
10 | 42432141 |
11 | 21a51994 |
12 | 12263779 |
13 | 8a3889b |
14 | 58c7873 |
15 | 3ad2746 |
hex | 287768d |
42432141 has 4 divisors (see below), whose sum is σ = 56576192. Its totient is φ = 28288092.
The previous prime is 42432127. The next prime is 42432161. The reversal of 42432141 is 14123424.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 42432141 - 25 = 42432109 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 (42432101) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7072021 + ... + 7072026.
It is an arithmetic number, because the mean of its divisors is an integer number (14144048).
Almost surely, 242432141 is an apocalyptic number.
It is an amenable number.
42432141 is a deficient number, since it is larger than the sum of its proper divisors (14144051).
42432141 is a wasteful number, since it uses less digits than its factorization.
42432141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14144050.
The product of its digits is 768, while the sum is 21.
The square root of 42432141 is about 6513.9957783222. The cubic root of 42432141 is about 348.7907684769.
Adding to 42432141 its reverse (14123424), we get a palindrome (56555565).
The spelling of 42432141 in words is "forty-two million, four hundred thirty-two thousand, one hundred forty-one".
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