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527731072 = 2711715279
BaseRepresentation
bin11111011101001…
…000100110000000
31100210000111221021
4133131020212000
52040044343242
6124211035224
716035432361
oct3735104600
91323014837
10527731072
11250988190
1212889bb14
138544440b
1450133b68
15314e4b67
hex1f748980

527731072 has 64 divisors (see below), whose sum is σ = 1163289600. Its totient is φ = 236454400.

The previous prime is 527731063. The next prime is 527731079. The reversal of 527731072 is 270137725.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (527731079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97329 + ... + 102607.

It is an arithmetic number, because the mean of its divisors is an integer number (18176400).

Almost surely, 2527731072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 527731072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (581644800).

527731072 is an abundant number, since it is smaller than the sum of its proper divisors (635558528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

527731072 is a wasteful number, since it uses less digits than its factorization.

527731072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5375 (or 5363 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 527731072 is about 22972.3980463512. The cubic root of 527731072 is about 808.1107582705.

Adding to 527731072 its reverse (270137725), we get a palindrome (797868797).

The spelling of 527731072 in words is "five hundred twenty-seven million, seven hundred thirty-one thousand, seventy-two".

Divisors: 1 2 4 8 11 16 22 32 44 64 71 88 128 142 176 284 352 568 704 781 1136 1408 1562 2272 3124 4544 5279 6248 9088 10558 12496 21116 24992 42232 49984 58069 84464 99968 116138 168928 232276 337856 374809 464552 675712 749618 929104 1499236 1858208 2998472 3716416 4122899 5996944 7432832 8245798 11993888 16491596 23987776 32983192 47975552 65966384 131932768 263865536 527731072