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552440313 = 32173610721
BaseRepresentation
bin100000111011011…
…001000111111001
31102111111212122100
4200323121013321
52112411042223
6130452414013
716455444105
oct4073310771
91374455570
10552440313
11263924647
12135017309
138a5b6179
1453526905
1533776043
hex20ed91f9

552440313 has 12 divisors (see below), whose sum is σ = 844908948. Its totient is φ = 346629120.

The previous prime is 552440311. The next prime is 552440323. The reversal of 552440313 is 313044255.

It can be written as a sum of positive squares in 2 ways, for example, as 453178944 + 99261369 = 21288^2 + 9963^2 .

It is not a de Polignac number, because 552440313 - 21 = 552440311 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (552440311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1805208 + ... + 1805513.

It is an arithmetic number, because the mean of its divisors is an integer number (70409079).

Almost surely, 2552440313 is an apocalyptic number.

It is an amenable number.

552440313 is a deficient number, since it is larger than the sum of its proper divisors (292468635).

552440313 is a wasteful number, since it uses less digits than its factorization.

552440313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3610744 (or 3610741 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 552440313 is about 23504.0488639724. The cubic root of 552440313 is about 820.5312406292.

Adding to 552440313 its reverse (313044255), we get a palindrome (865484568).

The spelling of 552440313 in words is "five hundred fifty-two million, four hundred forty thousand, three hundred thirteen".

Divisors: 1 3 9 17 51 153 3610721 10832163 32496489 61382257 184146771 552440313