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531332441 = 11322920533
BaseRepresentation
bin11111101010110…
…111110101011001
31101000210111002022
4133222313311121
52042010114231
6124420144225
716111152113
oct3752676531
91330714068
10531332441
11252a17a22
12129b38075
13861056c3
14507d03b3
15319a6c7b
hex1fab7d59

531332441 has 8 divisors (see below), whose sum is σ = 538401480. Its totient is φ = 524305152.

The previous prime is 531332437. The next prime is 531332447. The reversal of 531332441 is 144233135.

It can be written as a sum of positive squares in 4 ways, for example, as 89113600 + 442218841 = 9440^2 + 21029^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 531332441 - 22 = 531332437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 531332441.

It is not an unprimeable number, because it can be changed into a prime (531332447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15611 + ... + 36143.

It is an arithmetic number, because the mean of its divisors is an integer number (67300185).

Almost surely, 2531332441 is an apocalyptic number.

It is an amenable number.

531332441 is a deficient number, since it is larger than the sum of its proper divisors (7069039).

531332441 is a wasteful number, since it uses less digits than its factorization.

531332441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20875.

The product of its digits is 4320, while the sum is 26.

The square root of 531332441 is about 23050.6494702427. The cubic root of 531332441 is about 809.9448425582.

Adding to 531332441 its reverse (144233135), we get a palindrome (675565576).

The spelling of 531332441 in words is "five hundred thirty-one million, three hundred thirty-two thousand, four hundred forty-one".

Divisors: 1 113 229 20533 25877 2320229 4702057 531332441