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535431 = 31313729
BaseRepresentation
bin10000010101110000111
31000012110210
42002232013
5114113211
615250503
74360011
oct2025607
91005423
10535431
11336306
12219a33
13159930
14dd1b1
15a89a6
hex82b87

535431 has 8 divisors (see below), whose sum is σ = 768880. Its totient is φ = 329472.

The previous prime is 535399. The next prime is 535481. The reversal of 535431 is 134535.

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

It is not a de Polignac number, because 535431 - 25 = 535399 is a prime.

It is a super-2 number, since 2×5354312 = 573372711522, 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 = 535398 and 535407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535481) 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, 6826 + ... + 6903.

It is an arithmetic number, because the mean of its divisors is an integer number (96110).

2535431 is an apocalyptic number.

535431 is a deficient number, since it is larger than the sum of its proper divisors (233449).

535431 is a wasteful number, since it uses less digits than its factorization.

535431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13745.

The product of its digits is 900, while the sum is 21.

The square root of 535431 is about 731.7315081367. The cubic root of 535431 is about 81.2022077910.

Adding to 535431 its reverse (134535), we get a palindrome (669966).

The spelling of 535431 in words is "five hundred thirty-five thousand, four hundred thirty-one".

Divisors: 1 3 13 39 13729 41187 178477 535431