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531043232 = 25106115641
BaseRepresentation
bin11111101001110…
…001001110100000
31101000020210100212
4133221301032200
52041421340412
6124410033252
716105535666
oct3751611640
91330223325
10531043232
1125283a705
12129a18828
1386033b85
1450756c36
153194b222
hex1fa713a0

531043232 has 24 divisors (see below), whose sum is σ = 1046543652. Its totient is φ = 265254400.

The previous prime is 531043207. The next prime is 531043267. The reversal of 531043232 is 232340135.

It can be written as a sum of positive squares in 2 ways, for example, as 434138896 + 96904336 = 20836^2 + 9844^2 .

It is a junction number, because it is equal to n+sod(n) for n = 531043198 and 531043207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26132 + ... + 41772.

Almost surely, 2531043232 is an apocalyptic number.

It is an amenable number.

531043232 is a deficient number, since it is larger than the sum of its proper divisors (515500420).

531043232 is a wasteful number, since it uses less digits than its factorization.

531043232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16712 (or 16704 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 531043232 is about 23044.3752790133. The cubic root of 531043232 is about 809.7978624801.

Adding to 531043232 its reverse (232340135), we get a palindrome (763383367).

The spelling of 531043232 in words is "five hundred thirty-one million, forty-three thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 32 1061 2122 4244 8488 15641 16976 31282 33952 62564 125128 250256 500512 16595101 33190202 66380404 132760808 265521616 531043232