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538839 = 3372851
BaseRepresentation
bin10000011100011010111
31000101011000
42003203113
5114220324
615314343
74402650
oct2034327
91011130
10538839
11338924
1221b9b3
1315b352
14100527
15a99c9
hex838d7

538839 has 16 divisors (see below), whose sum is σ = 912640. Its totient is φ = 307800.

The previous prime is 538829. The next prime is 538841. The reversal of 538839 is 938835.

538839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 538839 - 24 = 538823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1237 + ... + 1614.

It is an arithmetic number, because the mean of its divisors is an integer number (57040).

2538839 is an apocalyptic number.

538839 is a deficient number, since it is larger than the sum of its proper divisors (373801).

538839 is a wasteful number, since it uses less digits than its factorization.

538839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2867 (or 2861 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 538839 is about 734.0565373321. The cubic root of 538839 is about 81.3741266444.

The spelling of 538839 in words is "five hundred thirty-eight thousand, eight hundred thirty-nine".

Divisors: 1 3 7 9 21 27 63 189 2851 8553 19957 25659 59871 76977 179613 538839