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534531 = 31747223
BaseRepresentation
bin10000010100000000011
31000011020110
42002200003
5114101111
615242403
74354254
oct2024003
91004213
10534531
11335668
12219403
131593ba
14dcb2b
15a85a6
hex82803

534531 has 16 divisors (see below), whose sum is σ = 774144. Its totient is φ = 326784.

The previous prime is 534529. The next prime is 534553. The reversal of 534531 is 135435.

It is not a de Polignac number, because 534531 - 21 = 534529 is a prime.

It is a super-2 number, since 2×5345312 = 571446779922, which contains 22 as substring.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 534498 and 534507.

It is not an unprimeable number, because it can be changed into a prime (534511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2286 + ... + 2508.

It is an arithmetic number, because the mean of its divisors is an integer number (48384).

2534531 is an apocalyptic number.

534531 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

534531 is a deficient number, since it is larger than the sum of its proper divisors (239613).

534531 is a wasteful number, since it uses less digits than its factorization.

534531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290.

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

The square root of 534531 is about 731.1162698231. The cubic root of 534531 is about 81.1566849799.

Adding to 534531 its reverse (135435), we get a palindrome (669966).

The spelling of 534531 in words is "five hundred thirty-four thousand, five hundred thirty-one".

Divisors: 1 3 17 47 51 141 223 669 799 2397 3791 10481 11373 31443 178177 534531