Base | Representation |
---|---|
bin | 1010000111010… |
… | …1011100101001 |
3 | 2221211100221011 |
4 | 2201311130221 |
5 | 41330032410 |
6 | 4113143521 |
7 | 1023412303 |
oct | 241653451 |
9 | 87740834 |
10 | 42424105 |
11 | 21a46949 |
12 | 1225aba1 |
13 | 8a35029 |
14 | 58c4973 |
15 | 3ad018a |
hex | 2875729 |
42424105 has 8 divisors (see below), whose sum is σ = 51281352. Its totient is φ = 33691008.
The previous prime is 42424103. The next prime is 42424111. The reversal of 42424105 is 50142424.
It is a happy number.
42424105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 4613904 + 37810201 = 2148^2 + 6149^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 42424105 - 21 = 42424103 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (42424103) 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 7 ways as a sum of consecutive naturals, for example, 30282 + ... + 31651.
It is an arithmetic number, because the mean of its divisors is an integer number (6410169).
Almost surely, 242424105 is an apocalyptic number.
It is an amenable number.
42424105 is a deficient number, since it is larger than the sum of its proper divisors (8857247).
42424105 is a wasteful number, since it uses less digits than its factorization.
42424105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62075.
The product of its (nonzero) digits is 1280, while the sum is 22.
The square root of 42424105 is about 6513.3789234160. The cubic root of 42424105 is about 348.7687485371.
Adding to 42424105 its reverse (50142424), we get a palindrome (92566529).
The spelling of 42424105 in words is "forty-two million, four hundred twenty-four thousand, one hundred five".
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