Base | Representation |
---|---|
bin | 101000000001… |
… | …0100100101100 |
3 | 1110110222222100 |
4 | 1100002210230 |
5 | 20332411220 |
6 | 2025415100 |
7 | 343226121 |
oct | 120024454 |
9 | 43428870 |
10 | 20982060 |
11 | 10931150 |
12 | 703a490 |
13 | 4468428 |
14 | 2b02748 |
15 | 1c96d90 |
hex | 140292c |
20982060 has 72 divisors (see below), whose sum is σ = 69438096. Its totient is φ = 5086080.
The previous prime is 20982053. The next prime is 20982067. The reversal of 20982060 is 6028902.
It is an interprime number because it is at equal distance from previous prime (20982053) and next prime (20982067).
It is not an unprimeable number, because it can be changed into a prime (20982067) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3319 + ... + 7278.
It is an arithmetic number, because the mean of its divisors is an integer number (964418).
Almost surely, 220982060 is an apocalyptic number.
20982060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20982060 is an abundant number, since it is smaller than the sum of its proper divisors (48456036).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20982060 is a wasteful number, since it uses less digits than its factorization.
20982060 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10623 (or 10618 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 20982060 is about 4580.6178622540. The cubic root of 20982060 is about 275.8138316052.
The spelling of 20982060 in words is "twenty million, nine hundred eighty-two thousand, sixty".
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