Base | Representation |
---|---|
bin | 100110000001… |
… | …1001100011100 |
3 | 1101111212002102 |
4 | 1030003030130 |
5 | 20100423103 |
6 | 1551144232 |
7 | 331311350 |
oct | 114031434 |
9 | 41455072 |
10 | 19936028 |
11 | 10287262 |
12 | 6815078 |
13 | 4190288 |
14 | 290d460 |
15 | 1b3be88 |
hex | 130331c |
19936028 has 24 divisors (see below), whose sum is σ = 40004832. Its totient is φ = 8515584.
The previous prime is 19935989. The next prime is 19936031. The reversal of 19936028 is 82063991.
It is a junction number, because it is equal to n+sod(n) for n = 19935982 and 19936000.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8876 + ... + 10892.
It is an arithmetic number, because the mean of its divisors is an integer number (1666868).
Almost surely, 219936028 is an apocalyptic number.
It is an amenable number.
19936028 is an abundant number, since it is smaller than the sum of its proper divisors (20068804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19936028 is a wasteful number, since it uses less digits than its factorization.
19936028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2381 (or 2379 counting only the distinct ones).
The product of its (nonzero) digits is 23328, while the sum is 38.
The square root of 19936028 is about 4464.9779394752. The cubic root of 19936028 is about 271.1520413335.
The spelling of 19936028 in words is "nineteen million, nine hundred thirty-six thousand, twenty-eight".
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