Base | Representation |
---|---|
bin | 1010001110101… |
… | …0010100101110 |
3 | 2222201200121201 |
4 | 2203222110232 |
5 | 41440342310 |
6 | 4131320114 |
7 | 1030445065 |
oct | 243522456 |
9 | 88650551 |
10 | 42902830 |
11 | 22243593 |
12 | 1245003a |
13 | 8b71bb9 |
14 | 59ab1dc |
15 | 3b76e3a |
hex | 28ea52e |
42902830 has 16 divisors (see below), whose sum is σ = 78284304. Its totient is φ = 16925760.
The previous prime is 42902807. The next prime is 42902837. The reversal of 42902830 is 3820924.
42902830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42902837) 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, 28656 + ... + 30115.
It is an arithmetic number, because the mean of its divisors is an integer number (4892769).
Almost surely, 242902830 is an apocalyptic number.
42902830 is a deficient number, since it is larger than the sum of its proper divisors (35381474).
42902830 is a wasteful number, since it uses less digits than its factorization.
42902830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58851.
The product of its (nonzero) digits is 3456, while the sum is 28.
The square root of 42902830 is about 6550.0251907913. The cubic root of 42902830 is about 350.0757115122.
The spelling of 42902830 in words is "forty-two million, nine hundred two thousand, eight hundred thirty".
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