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2243253220 = 225138627897
BaseRepresentation
bin1000010110110101…
…0101001111100100
312210100002001220121
42011231111033210
514043233100340
61010332411324
7106406223565
oct20555251744
95710061817
102243253220
11a5129238a
12527316b44
13299996b90
14173cda16c
15d1e1294a
hex85b553e4

2243253220 has 24 divisors (see below), whose sum is σ = 5073204024. Its totient is φ = 828278016.

The previous prime is 2243253191. The next prime is 2243253247. The reversal of 2243253220 is 223523422.

It is a happy number.

2243253220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 265494436 + 1977758784 = 16294^2 + 44472^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4313689 + ... + 4314208.

It is an arithmetic number, because the mean of its divisors is an integer number (211383501).

Almost surely, 22243253220 is an apocalyptic number.

2243253220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2243253220 is an abundant number, since it is smaller than the sum of its proper divisors (2829950804).

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

2243253220 is a wasteful number, since it uses less digits than its factorization.

2243253220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8627919 (or 8627917 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 2243253220 is about 47362.9942043364. The cubic root of 2243253220 is about 1309.0596401967.

Adding to 2243253220 its reverse (223523422), we get a palindrome (2466776642).

The spelling of 2243253220 in words is "two billion, two hundred forty-three million, two hundred fifty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 8627897 17255794 34511588 43139485 86278970 112162661 172557940 224325322 448650644 560813305 1121626610 2243253220