Base | Representation |
---|---|
bin | 1010000001111… |
… | …0100101110000 |
3 | 2221011021220112 |
4 | 2200132211300 |
5 | 41232141321 |
6 | 4101400452 |
7 | 1020401132 |
oct | 240364560 |
9 | 87137815 |
10 | 42068336 |
11 | 21823622 |
12 | 12109128 |
13 | 893c10b |
14 | 5831052 |
15 | 3a5ea5b |
hex | 281e970 |
42068336 has 40 divisors (see below), whose sum is σ = 86829264. Its totient is φ = 19676160.
The previous prime is 42068329. The next prime is 42068339. The reversal of 42068336 is 63386024.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42068339) 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 7 ways as a sum of consecutive naturals, for example, 57026 + ... + 57758.
Almost surely, 242068336 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 42068336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43414632).
42068336 is an abundant number, since it is smaller than the sum of its proper divisors (44760928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42068336 is a wasteful number, since it uses less digits than its factorization.
42068336 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 969 (or 963 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 32.
The square root of 42068336 is about 6486.0107924671. The cubic root of 42068336 is about 347.7910843654.
The spelling of 42068336 in words is "forty-two million, sixty-eight thousand, three hundred thirty-six".
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