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552440331 = 359672351
BaseRepresentation
bin100000111011011…
…001001000001011
31102111111212200000
4200323121020023
52112411042311
6130452414043
716455444132
oct4073311013
91374455600
10552440331
11263924663
12135017323
138a5b6191
1453526919
1533776056
hex20ed920b

552440331 has 24 divisors (see below), whose sum is σ = 828731904. Its totient is φ = 367756200.

The previous prime is 552440323. The next prime is 552440341. The reversal of 552440331 is 133044255.

It is not a de Polignac number, because 552440331 - 23 = 552440323 is a prime.

It is a super-2 number, since 2×5524403312 = 610380638630779122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 552440295 and 552440304.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 233806 + ... + 236156.

It is an arithmetic number, because the mean of its divisors is an integer number (34530496).

Almost surely, 2552440331 is an apocalyptic number.

552440331 is a deficient number, since it is larger than the sum of its proper divisors (276291573).

552440331 is an equidigital number, since it uses as much as digits as its factorization.

552440331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3333 (or 3321 counting only the distinct ones).

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

The square root of 552440331 is about 23504.0492468851. The cubic root of 552440331 is about 820.5312495409.

Adding to 552440331 its reverse (133044255), we get a palindrome (685484586).

The spelling of 552440331 in words is "five hundred fifty-two million, four hundred forty thousand, three hundred thirty-one".

Divisors: 1 3 9 27 81 243 967 2351 2901 7053 8703 21159 26109 63477 78327 190431 234981 571293 2273417 6820251 20460753 61382259 184146777 552440331