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531033412 = 227131458883
BaseRepresentation
bin11111101001101…
…110110101000100
31101000020021220011
4133221232311010
52041421032122
6124405520004
716105465240
oct3751566504
91330207804
10531033412
11252833298
12129a13004
138602c570
1450753420
1531948377
hex1fa6ed44

531033412 has 24 divisors (see below), whose sum is σ = 1143765056. Its totient is φ = 210079008.

The previous prime is 531033409. The next prime is 531033427. The reversal of 531033412 is 214330135.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 729078 + ... + 729805.

Almost surely, 2531033412 is an apocalyptic number.

531033412 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

531033412 is an abundant number, since it is smaller than the sum of its proper divisors (612731644).

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

531033412 is a wasteful number, since it uses less digits than its factorization.

531033412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458907 (or 1458905 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 531033412 is about 23044.1622108507. The cubic root of 531033412 is about 809.7928708814.

Adding to 531033412 its reverse (214330135), we get a palindrome (745363547).

The spelling of 531033412 in words is "five hundred thirty-one million, thirty-three thousand, four hundred twelve".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 1458883 2917766 5835532 10212181 18965479 20424362 37930958 40848724 75861916 132758353 265516706 531033412