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531524525 = 52719159857
BaseRepresentation
bin11111101011100…
…110101110101101
31101001011020120112
4133223212232231
52042032241100
6124424225405
716112612120
oct3753465655
91331136515
10531524525
11253039274
1212a00b265
1386171c6c
14508403b7
15319e3b35
hex1fae6bad

531524525 has 24 divisors (see below), whose sum is σ = 792895680. Its totient is φ = 345288960.

The previous prime is 531524501. The next prime is 531524527. The reversal of 531524525 is 525425135.

It is not a de Polignac number, because 531524525 - 216 = 531458989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 531524491 and 531524500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531524527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76604 + ... + 83253.

It is an arithmetic number, because the mean of its divisors is an integer number (33037320).

Almost surely, 2531524525 is an apocalyptic number.

It is an amenable number.

531524525 is a deficient number, since it is larger than the sum of its proper divisors (261371155).

531524525 is a wasteful number, since it uses less digits than its factorization.

531524525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159893 (or 159888 counting only the distinct ones).

The product of its digits is 30000, while the sum is 32.

The square root of 531524525 is about 23054.8156574717. The cubic root of 531524525 is about 810.0424328733.

The spelling of 531524525 in words is "five hundred thirty-one million, five hundred twenty-four thousand, five hundred twenty-five".

Divisors: 1 5 7 19 25 35 95 133 175 475 665 3325 159857 799285 1118999 3037283 3996425 5594995 15186415 21260981 27974975 75932075 106304905 531524525