Base | Representation |
---|---|
bin | 1010000000111… |
… | …0011101010100 |
3 | 2221000221021021 |
4 | 2200032131110 |
5 | 41223033020 |
6 | 4100130524 |
7 | 1020004366 |
oct | 240163524 |
9 | 87027237 |
10 | 42002260 |
11 | 21788a13 |
12 | 12096a44 |
13 | 8918011 |
14 | 5814d36 |
15 | 3a4a1aa |
hex | 280e754 |
42002260 has 12 divisors (see below), whose sum is σ = 88204788. Its totient is φ = 16800896.
The previous prime is 42002239. The next prime is 42002269. The reversal of 42002260 is 6220024.
It can be written as a sum of positive squares in 2 ways, for example, as 24462916 + 17539344 = 4946^2 + 4188^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42002269) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050037 + ... + 1050076.
It is an arithmetic number, because the mean of its divisors is an integer number (7350399).
Almost surely, 242002260 is an apocalyptic number.
It is an amenable number.
42002260 is an abundant number, since it is smaller than the sum of its proper divisors (46202528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42002260 is a wasteful number, since it uses less digits than its factorization.
42002260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2100122 (or 2100120 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 16.
The square root of 42002260 is about 6480.9150588478. The cubic root of 42002260 is about 347.6088991548.
Adding to 42002260 its reverse (6220024), we get a palindrome (48222284).
The spelling of 42002260 in words is "forty-two million, two thousand, two hundred sixty".
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