Base | Representation |
---|---|
bin | 100110100000… |
… | …0111010110000 |
3 | 1101222200220010 |
4 | 1031000322300 |
5 | 20132020343 |
6 | 2000414520 |
7 | 333413421 |
oct | 115007260 |
9 | 41880803 |
10 | 20188848 |
11 | 1043a1a9 |
12 | 6917440 |
13 | 424b384 |
14 | 2977648 |
15 | 1b8bd33 |
hex | 1340eb0 |
20188848 has 40 divisors (see below), whose sum is σ = 54425088. Its totient is φ = 6436672.
The previous prime is 20188841. The next prime is 20188853. The reversal of 20188848 is 84888102.
It is not an unprimeable number, because it can be changed into a prime (20188841) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8040 + ... + 10247.
Almost surely, 220188848 is an apocalyptic number.
It is an amenable number.
20188848 is an abundant number, since it is smaller than the sum of its proper divisors (34236240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20188848 is a wasteful number, since it uses less digits than its factorization.
20188848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18321 (or 18315 counting only the distinct ones).
The product of its (nonzero) digits is 32768, while the sum is 39.
The square root of 20188848 is about 4493.2001958515. The cubic root of 20188848 is about 272.2934405238.
The spelling of 20188848 in words is "twenty million, one hundred eighty-eight thousand, eight hundred forty-eight".
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