Base | Representation |
---|---|
bin | 1010001111001… |
… | …1011000011100 |
3 | 2222210120111212 |
4 | 2203303120130 |
5 | 41443034212 |
6 | 4132203552 |
7 | 1030661210 |
oct | 243633034 |
9 | 88716455 |
10 | 42939932 |
11 | 22269452 |
12 | 124695b8 |
13 | 8b85a59 |
14 | 59ba940 |
15 | 3b82e22 |
hex | 28f361c |
42939932 has 24 divisors (see below), whose sum is σ = 86214240. Its totient is φ = 18331200.
The previous prime is 42939931. The next prime is 42939937. The reversal of 42939932 is 23993924.
42939932 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 42939932.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42939931) 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, 4682 + ... + 10382.
It is an arithmetic number, because the mean of its divisors is an integer number (3592260).
Almost surely, 242939932 is an apocalyptic number.
It is an amenable number.
42939932 is an abundant number, since it is smaller than the sum of its proper divisors (43274308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42939932 is a wasteful number, since it uses less digits than its factorization.
42939932 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5981 (or 5979 counting only the distinct ones).
The product of its digits is 104976, while the sum is 41.
The square root of 42939932 is about 6552.8567815877. The cubic root of 42939932 is about 350.1765965954.
The spelling of 42939932 in words is "forty-two million, nine hundred thirty-nine thousand, nine hundred thirty-two".
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