Base | Representation |
---|---|
bin | 100101110100… |
… | …1000010100000 |
3 | 1101022102010120 |
4 | 1023221002200 |
5 | 20034011041 |
6 | 1545000240 |
7 | 330354123 |
oct | 113510240 |
9 | 41272116 |
10 | 19828896 |
11 | 1021381a |
12 | 6783080 |
13 | 4153599 |
14 | 28c23ba |
15 | 1b1a366 |
hex | 12e90a0 |
19828896 has 24 divisors (see below), whose sum is σ = 52051104. Its totient is φ = 6609600.
The previous prime is 19828889. The next prime is 19828903. The reversal of 19828896 is 69882891.
It is an interprime number because it is at equal distance from previous prime (19828889) and next prime (19828903).
It is a tau number, because it is divible by the number of its divisors (24).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103180 + ... + 103371.
It is an arithmetic number, because the mean of its divisors is an integer number (2168796).
Almost surely, 219828896 is an apocalyptic number.
19828896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
19828896 is an abundant number, since it is smaller than the sum of its proper divisors (32222208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19828896 is a wasteful number, since it uses less digits than its factorization.
19828896 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 206564 (or 206556 counting only the distinct ones).
The product of its digits is 497664, while the sum is 51.
The square root of 19828896 is about 4452.9648550151. The cubic root of 19828896 is about 270.6654641193.
It can be divided in two parts, 1982 and 8896, that added together give a triangular number (10878 = T147).
The spelling of 19828896 in words is "nineteen million, eight hundred twenty-eight thousand, eight hundred ninety-six".
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