Base | Representation |
---|---|
bin | 100110011010… |
… | …1000000100100 |
3 | 1101220012222110 |
4 | 1030311000210 |
5 | 20123440233 |
6 | 1555401020 |
7 | 333121254 |
oct | 114650044 |
9 | 41805873 |
10 | 20140068 |
11 | 10406593 |
12 | 68b3170 |
13 | 4232100 |
14 | 2963964 |
15 | 1b7c663 |
hex | 1335024 |
20140068 has 36 divisors (see below), whose sum is σ = 50891568. Its totient is φ = 6196320.
The previous prime is 20140067. The next prime is 20140069. The reversal of 20140068 is 86004102.
It is an interprime number because it is at equal distance from previous prime (20140067) and next prime (20140069).
It is a super-3 number, since 3×201400683 (a number of 23 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (20140067) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2938 + ... + 6993.
Almost surely, 220140068 is an apocalyptic number.
It is an amenable number.
20140068 is an abundant number, since it is smaller than the sum of its proper divisors (30751500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20140068 is a wasteful number, since it uses less digits than its factorization.
20140068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9964 (or 9949 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 21.
The square root of 20140068 is about 4487.7687106178. The cubic root of 20140068 is about 272.0739598473.
The spelling of 20140068 in words is "twenty million, one hundred forty thousand, sixty-eight".
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