Base | Representation |
---|---|
bin | 100110100000… |
… | …1111011011000 |
3 | 1101222220120022 |
4 | 1031001323120 |
5 | 20132133414 |
6 | 2000450012 |
7 | 333431450 |
oct | 115017330 |
9 | 41886508 |
10 | 20192984 |
11 | 10442319 |
12 | 6919908 |
13 | 4250216 |
14 | 2978d60 |
15 | 1b8d18e |
hex | 1341ed8 |
20192984 has 16 divisors (see below), whose sum is σ = 43270800. Its totient is φ = 8654112.
The previous prime is 20192983. The next prime is 20192989. The reversal of 20192984 is 48929102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20192981) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180239 + ... + 180350.
It is an arithmetic number, because the mean of its divisors is an integer number (2704425).
Almost surely, 220192984 is an apocalyptic number.
It is an amenable number.
20192984 is an abundant number, since it is smaller than the sum of its proper divisors (23077816).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20192984 is a wasteful number, since it uses less digits than its factorization.
20192984 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 360602 (or 360598 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 35.
The square root of 20192984 is about 4493.6604233075. The cubic root of 20192984 is about 272.3120337718.
The spelling of 20192984 in words is "twenty million, one hundred ninety-two thousand, nine hundred eighty-four".
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