Base | Representation |
---|---|
bin | 1010001011101… |
… | …0000011001111 |
3 | 2222100122101111 |
4 | 2202322003033 |
5 | 41413030403 |
6 | 4123152451 |
7 | 1025662450 |
oct | 242720317 |
9 | 88318344 |
10 | 42705103 |
11 | 22118a81 |
12 | 12375727 |
13 | 8b02bbc |
14 | 5959127 |
15 | 3b3856d |
hex | 28ba0cf |
42705103 has 8 divisors (see below), whose sum is σ = 51374720. Its totient is φ = 34677720.
The previous prime is 42705101. The next prime is 42705107. The reversal of 42705103 is 30150724.
42705103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 42705103 - 21 = 42705101 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 (42705101) 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, 160413 + ... + 160678.
It is an arithmetic number, because the mean of its divisors is an integer number (6421840).
Almost surely, 242705103 is an apocalyptic number.
42705103 is a deficient number, since it is larger than the sum of its proper divisors (8669617).
42705103 is a wasteful number, since it uses less digits than its factorization.
42705103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 321117.
The product of its (nonzero) digits is 840, while the sum is 22.
The square root of 42705103 is about 6534.9141539886. The cubic root of 42705103 is about 349.5370832454.
Adding to 42705103 its reverse (30150724), we get a palindrome (72855827).
The spelling of 42705103 in words is "forty-two million, seven hundred five thousand, one hundred three".
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