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538044 = 223133449
BaseRepresentation
bin10000011010110111100
31000100001120
42003112330
5114204134
615310540
74400433
oct2032674
91010046
10538044
11338271
1221b450
1315ab90
1410011a
15a9649
hex835bc

538044 has 24 divisors (see below), whose sum is σ = 1352400. Its totient is φ = 165504.

The previous prime is 538019. The next prime is 538049. The reversal of 538044 is 440835.

It is a happy number.

538044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 538044.

It is not an unprimeable number, because it can be changed into a prime (538049) by changing a digit.

538044 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, 1569 + ... + 1880.

It is an arithmetic number, because the mean of its divisors is an integer number (56350).

2538044 is an apocalyptic number.

It is an amenable number.

538044 is an abundant number, since it is smaller than the sum of its proper divisors (814356).

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

538044 is a wasteful number, since it uses less digits than its factorization.

538044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3469 (or 3467 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 538044 is about 733.5148260260. The cubic root of 538044 is about 81.3340873053.

Adding to 538044 its reverse (440835), we get a palindrome (978879).

The spelling of 538044 in words is "five hundred thirty-eight thousand, forty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 3449 6898 10347 13796 20694 41388 44837 89674 134511 179348 269022 538044