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550332220 = 22527516611
BaseRepresentation
bin100000110011010…
…110011100111100
31102100112202212211
4200303112130330
52111341112340
6130335310204
716431514054
oct4063263474
91370482784
10550332220
11262714819
1213437b364
138a028789
1453138564
15334ab5ea
hex20cd673c

550332220 has 12 divisors (see below), whose sum is σ = 1155697704. Its totient is φ = 220132880.

The previous prime is 550332199. The next prime is 550332221. The reversal of 550332220 is 22233055.

550332220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 550332191 and 550332200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550332221) 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, 13758286 + ... + 13758325.

It is an arithmetic number, because the mean of its divisors is an integer number (96308142).

Almost surely, 2550332220 is an apocalyptic number.

It is an amenable number.

550332220 is an abundant number, since it is smaller than the sum of its proper divisors (605365484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550332220 is a wasteful number, since it uses less digits than its factorization.

550332220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27516620 (or 27516618 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 550332220 is about 23459.1606840484. The cubic root of 550332220 is about 819.4862040102.

Adding to 550332220 its reverse (22233055), we get a palindrome (572565275).

The spelling of 550332220 in words is "five hundred fifty million, three hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 27516611 55033222 110066444 137583055 275166110 550332220