Search a number
-
+
544023 = 3320149
BaseRepresentation
bin10000100110100010111
31000122021000
42010310113
5114402043
615354343
74424034
oct2046427
91018230
10544023
11341807
122229b3
1316080c
1410238b
15ab2d3
hex84d17

544023 has 8 divisors (see below), whose sum is σ = 806000. Its totient is φ = 362664.

The previous prime is 544021. The next prime is 544031. The reversal of 544023 is 320445.

It is a happy number.

It is not a de Polignac number, because 544023 - 21 = 544021 is a prime.

It is a super-2 number, since 2×5440232 = 591922049058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 543987 and 544005.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 544023.

It is not an unprimeable number, because it can be changed into a prime (544021) 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, 10048 + ... + 10101.

It is an arithmetic number, because the mean of its divisors is an integer number (100750).

2544023 is an apocalyptic number.

544023 is a deficient number, since it is larger than the sum of its proper divisors (261977).

544023 is a wasteful number, since it uses less digits than its factorization.

544023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20158 (or 20152 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 544023 is about 737.5791482953. The cubic root of 544023 is about 81.6342524886.

Adding to 544023 its reverse (320445), we get a palindrome (864468).

The spelling of 544023 in words is "five hundred forty-four thousand, twenty-three".

Divisors: 1 3 9 27 20149 60447 181341 544023