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531330524 = 22490927059
BaseRepresentation
bin11111101010110…
…111010111011100
31101000210101110022
4133222313113130
52042010034044
6124420131312
716111143404
oct3752672734
91330711408
10531330524
11252a1653a
12129b36b38
138610487a
14507cd804
15319a63ee
hex1fab75dc

531330524 has 12 divisors (see below), whose sum is σ = 930052200. Its totient is φ = 265601328.

The previous prime is 531330517. The next prime is 531330539. The reversal of 531330524 is 425033135.

It is a super-2 number, since 2×5313305242 = 564624251468229152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 531330493 and 531330502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6107 + ... + 33165.

It is an arithmetic number, because the mean of its divisors is an integer number (77504350).

Almost surely, 2531330524 is an apocalyptic number.

It is an amenable number.

531330524 is a deficient number, since it is larger than the sum of its proper divisors (398721676).

531330524 is a wasteful number, since it uses less digits than its factorization.

531330524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31972 (or 31970 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 531330524 is about 23050.6078878627. The cubic root of 531330524 is about 809.9438684875.

Adding to 531330524 its reverse (425033135), we get a palindrome (956363659).

The spelling of 531330524 in words is "five hundred thirty-one million, three hundred thirty thousand, five hundred twenty-four".

Divisors: 1 2 4 4909 9818 19636 27059 54118 108236 132832631 265665262 531330524