Base | Representation |
---|---|
bin | 100100010010… |
… | …1101101000000 |
3 | 1022210202121101 |
4 | 1020211231000 |
5 | 14332410200 |
6 | 1515504144 |
7 | 320512360 |
oct | 110455500 |
9 | 38722541 |
10 | 19028800 |
11 | a81768a |
12 | 6458054 |
13 | 3c3335b |
14 | 27549a0 |
15 | 1a0d26a |
hex | 1225b40 |
19028800 has 84 divisors (see below), whose sum is σ = 53543200. Its totient is φ = 6520320.
The previous prime is 19028759. The next prime is 19028803. The reversal of 19028800 is 882091.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19028803) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10351 + ... + 12049.
Almost surely, 219028800 is an apocalyptic number.
19028800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 19028800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26771600).
19028800 is an abundant number, since it is smaller than the sum of its proper divisors (34514400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19028800 is a wasteful number, since it uses less digits than its factorization.
19028800 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1728 (or 1713 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 28.
The square root of 19028800 is about 4362.2012791709. The cubic root of 19028800 is about 266.9749213120.
The spelling of 19028800 in words is "nineteen million, twenty-eight thousand, eight hundred".
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