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538825 = 5273079
BaseRepresentation
bin10000011100011001001
31000101010111
42003203021
5114220300
615314321
74402630
oct2034311
91011114
10538825
11338911
1221b9a1
1315b341
14100517
15a99ba
hex838c9

538825 has 12 divisors (see below), whose sum is σ = 763840. Its totient is φ = 369360.

The previous prime is 538823. The next prime is 538829. The reversal of 538825 is 528835.

It is not a de Polignac number, because 538825 - 21 = 538823 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

538825 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1365 + ... + 1714.

2538825 is an apocalyptic number.

It is an amenable number.

538825 is a deficient number, since it is larger than the sum of its proper divisors (225015).

538825 is a wasteful number, since it uses less digits than its factorization.

538825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3096 (or 3091 counting only the distinct ones).

The product of its digits is 9600, while the sum is 31.

The square root of 538825 is about 734.0470012199. The cubic root of 538825 is about 81.3734218899.

The spelling of 538825 in words is "five hundred thirty-eight thousand, eight hundred twenty-five".

Divisors: 1 5 7 25 35 175 3079 15395 21553 76975 107765 538825