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19023 = 317373
BaseRepresentation
bin100101001001111
3222002120
410221033
51102043
6224023
7106314
oct45117
928076
1019023
1113324
12b013
138874
146d0b
155983
hex4a4f

19023 has 8 divisors (see below), whose sum is σ = 26928. Its totient is φ = 11904.

The previous prime is 19013. The next prime is 19031. The reversal of 19023 is 32091.

19023 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19023 - 26 = 18959 is a prime.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 18993 and 19011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136 + ... + 237.

It is an arithmetic number, because the mean of its divisors is an integer number (3366).

219023 is an apocalyptic number.

19023 is a deficient number, since it is larger than the sum of its proper divisors (7905).

19023 is a wasteful number, since it uses less digits than its factorization.

19023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 19023 is about 137.9238920565. The cubic root of 19023 is about 26.6947793802.

The spelling of 19023 in words is "nineteen thousand, twenty-three".

Divisors: 1 3 17 51 373 1119 6341 19023