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531049452 = 22344254121
BaseRepresentation
bin11111101001110…
…010101111101100
31101000021002220020
4133221302233230
52041422040302
6124410122140
716105563063
oct3751625754
91330232806
10531049452
1125284434a
12129a20350
138603695b
14507591da
153194cebc
hex1fa72bec

531049452 has 12 divisors (see below), whose sum is σ = 1239115416. Its totient is φ = 177016480.

The previous prime is 531049447. The next prime is 531049457. The reversal of 531049452 is 254940135.

It is an interprime number because it is at equal distance from previous prime (531049447) and next prime (531049457).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (531049457) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 22127049 + ... + 22127072.

It is an arithmetic number, because the mean of its divisors is an integer number (103259618).

Almost surely, 2531049452 is an apocalyptic number.

It is an amenable number.

531049452 is an abundant number, since it is smaller than the sum of its proper divisors (708065964).

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

531049452 is a wasteful number, since it uses less digits than its factorization.

531049452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44254128 (or 44254126 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 531049452 is about 23044.5102356288. The cubic root of 531049452 is about 809.8010241329.

Adding to 531049452 its reverse (254940135), we get a palindrome (785989587).

The spelling of 531049452 in words is "five hundred thirty-one million, forty-nine thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 44254121 88508242 132762363 177016484 265524726 531049452