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531093249 = 32101584261
BaseRepresentation
bin11111101001111…
…101011100000001
31101000100022222100
4133221331130001
52041424440444
6124411101013
716106134551
oct3751753401
91330308870
10531093249
11252874245
12129a41769
138605087b
145076b161
153195ae69
hex1fa7d701

531093249 has 12 divisors (see below), whose sum is σ = 774731412. Its totient is φ = 350556000.

The previous prime is 531093229. The next prime is 531093259. The reversal of 531093249 is 942390135.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 341067024 + 190026225 = 18468^2 + 13785^2 .

It is not a de Polignac number, because 531093249 - 225 = 497538817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (531093229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291222 + ... + 293039.

It is an arithmetic number, because the mean of its divisors is an integer number (64560951).

Almost surely, 2531093249 is an apocalyptic number.

It is an amenable number.

531093249 is a deficient number, since it is larger than the sum of its proper divisors (243638163).

531093249 is a wasteful number, since it uses less digits than its factorization.

531093249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584368 (or 584365 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 531093249 is about 23045.4604857443. The cubic root of 531093249 is about 809.8232856381.

The spelling of 531093249 in words is "five hundred thirty-one million, ninety-three thousand, two hundred forty-nine".

Divisors: 1 3 9 101 303 909 584261 1752783 5258349 59010361 177031083 531093249