Base | Representation |
---|---|
bin | 100110010011… |
… | …0111111110110 |
3 | 1101210022020220 |
4 | 1030212333312 |
5 | 20120121203 |
6 | 1554235210 |
7 | 332462040 |
oct | 114467766 |
9 | 41708226 |
10 | 20082678 |
11 | 10377460 |
12 | 6885b06 |
13 | 4211c55 |
14 | 294aa90 |
15 | 1b6a653 |
hex | 1326ff6 |
20082678 has 64 divisors (see below), whose sum is σ = 53042688. Its totient is φ = 4907520.
The previous prime is 20082659. The next prime is 20082683. The reversal of 20082678 is 87628002.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6576 + ... + 9132.
It is an arithmetic number, because the mean of its divisors is an integer number (828792).
Almost surely, 220082678 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20082678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26521344).
20082678 is an abundant number, since it is smaller than the sum of its proper divisors (32960010).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20082678 is a wasteful number, since it uses less digits than its factorization.
20082678 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2597.
The product of its (nonzero) digits is 10752, while the sum is 33.
The square root of 20082678 is about 4481.3701029931. The cubic root of 20082678 is about 271.8152851280.
The spelling of 20082678 in words is "twenty million, eighty-two thousand, six hundred seventy-eight".
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