Search a number
-
+
19068 = 2237227
BaseRepresentation
bin100101001111100
3222011020
410221330
51102233
6224140
7106410
oct45174
928136
1019068
1113365
12b050
1388aa
146d40
1559b3
hex4a7c

19068 has 24 divisors (see below), whose sum is σ = 51072. Its totient is φ = 5424.

The previous prime is 19051. The next prime is 19069. The reversal of 19068 is 86091.

19068 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 13.

It is a zygodrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19069) by changing a digit.

19068 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30 + ... + 197.

It is an arithmetic number, because the mean of its divisors is an integer number (2128).

219068 is an apocalyptic number.

It is an amenable number.

19068 is an abundant number, since it is smaller than the sum of its proper divisors (32004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25536).

19068 is a wasteful number, since it uses less digits than its factorization.

19068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 19068 is about 138.0869291425. The cubic root of 19068 is about 26.7158121492.

Subtracting from 19068 its sum of digits (24), we obtain a square (19044 = 1382).

The spelling of 19068 in words is "nineteen thousand, sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 227 454 681 908 1362 1589 2724 3178 4767 6356 9534 19068