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552443443 = 827668009
BaseRepresentation
bin100000111011011…
…001111000110011
31102111112000221021
4200323121320303
52112411142233
6130452440311
716455456166
oct4073317063
91374460837
10552443443
11263926a32
12135019097
138a5b7716
1453527add
1533776e2d
hex20ed9e33

552443443 has 4 divisors (see below), whose sum is σ = 553112280. Its totient is φ = 551774608.

The previous prime is 552443387. The next prime is 552443459. The reversal of 552443443 is 344344255.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344344255 = 568868851.

It is a cyclic number.

It is not a de Polignac number, because 552443443 - 213 = 552435251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 552443399 and 552443408.

It is not an unprimeable number, because it can be changed into a prime (552443473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333178 + ... + 334831.

It is an arithmetic number, because the mean of its divisors is an integer number (138278070).

Almost surely, 2552443443 is an apocalyptic number.

552443443 is a deficient number, since it is larger than the sum of its proper divisors (668837).

552443443 is an equidigital number, since it uses as much as digits as its factorization.

552443443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668836.

The product of its digits is 115200, while the sum is 34.

The square root of 552443443 is about 23504.1154481508. The cubic root of 552443443 is about 820.5327902735.

Adding to 552443443 its reverse (344344255), we get a palindrome (896787698).

The spelling of 552443443 in words is "five hundred fifty-two million, four hundred forty-three thousand, four hundred forty-three".

Divisors: 1 827 668009 552443443