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531525212 = 22132881303
BaseRepresentation
bin11111101011100…
…110111001011100
31101001011021111222
4133223212321130
52042032301322
6124424232512
716112614121
oct3753467134
91331137458
10531525212
11253039839
1212a00b738
138617237a
1450840748
15319e3e42
hex1fae6e5c

531525212 has 6 divisors (see below), whose sum is σ = 930169128. Its totient is φ = 265762604.

The previous prime is 531525199. The next prime is 531525251. The reversal of 531525212 is 212525135.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66440648 + ... + 66440655.

It is an arithmetic number, because the mean of its divisors is an integer number (155028188).

Almost surely, 2531525212 is an apocalyptic number.

It is an amenable number.

531525212 is a deficient number, since it is larger than the sum of its proper divisors (398643916).

531525212 is a wasteful number, since it uses less digits than its factorization.

531525212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132881307 (or 132881305 counting only the distinct ones).

The product of its digits is 3000, while the sum is 26.

The square root of 531525212 is about 23054.8305567402. The cubic root of 531525212 is about 810.0427818688.

The spelling of 531525212 in words is "five hundred thirty-one million, five hundred twenty-five thousand, two hundred twelve".

Divisors: 1 2 4 132881303 265762606 531525212