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2243530333 = 11253349841
BaseRepresentation
bin1000010110111001…
…1000111001011101
312210100121011001001
42011232120321131
514043320432313
61010342350301
7106411456522
oct20556307135
95710534031
102243530333
11a51461600
1252742b391
13299a63055
14173d6d149
15d1e69add
hex85b98e5d

2243530333 has 12 divisors (see below), whose sum is σ = 2512565244. Its totient is φ = 2001084800.

The previous prime is 2243530321. The next prime is 2243530337. The reversal of 2243530333 is 3330353422.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1153077849 + 1090452484 = 33957^2 + 33022^2 .

It is not a de Polignac number, because 2243530333 - 25 = 2243530301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243530337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168508 + ... + 181333.

It is an arithmetic number, because the mean of its divisors is an integer number (209380437).

Almost surely, 22243530333 is an apocalyptic number.

It is an amenable number.

2243530333 is a deficient number, since it is larger than the sum of its proper divisors (269034911).

2243530333 is a wasteful number, since it uses less digits than its factorization.

2243530333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349916 (or 349905 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 28.

The square root of 2243530333 is about 47365.9195308188. The cubic root of 2243530333 is about 1309.1135414541.

Adding to 2243530333 its reverse (3330353422), we get a palindrome (5573883755).

Subtracting 2243530333 from its reverse (3330353422), we obtain a square (1086823089 = 329672).

The spelling of 2243530333 in words is "two billion, two hundred forty-three million, five hundred thirty thousand, three hundred thirty-three".

Divisors: 1 11 53 121 583 6413 349841 3848251 18541573 42330761 203957303 2243530333