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2243630565 = 3251123434583
BaseRepresentation
bin1000010110111011…
…0001010111100101
312210100210020112100
42011232301113211
514043332134230
61010344442313
7106412354661
oct20556612745
95710706470
102243630565
11a5151a940
12527479399
13299a99867
14173d978a1
15d1e89660
hex85bb15e5

2243630565 has 96 divisors (see below), whose sum is σ = 4530898944. Its totient is φ = 1016104320.

The previous prime is 2243630551. The next prime is 2243630593. The reversal of 2243630565 is 5650363422.

2243630565 is a `hidden beast` number, since 22 + 43 + 6 + 30 + 565 = 666.

It is not a de Polignac number, because 2243630565 - 222 = 2239436261 is a prime.

It is a super-2 number, since 2×22436305652 = 10067756224404438450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 487264 + ... + 491846.

It is an arithmetic number, because the mean of its divisors is an integer number (47196864).

Almost surely, 22243630565 is an apocalyptic number.

It is an amenable number.

2243630565 is an abundant number, since it is smaller than the sum of its proper divisors (2287268379).

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

2243630565 is a wasteful number, since it uses less digits than its factorization.

2243630565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4671 (or 4668 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The square root of 2243630565 is about 47366.9775793221. The cubic root of 2243630565 is about 1309.1330364902.

Adding to 2243630565 its reverse (5650363422), we get a palindrome (7893993987).

The spelling of 2243630565 in words is "two billion, two hundred forty-three million, six hundred thirty thousand, five hundred sixty-five".

Divisors: 1 3 5 9 11 15 23 33 43 45 55 69 99 115 129 165 207 215 253 345 387 473 495 645 759 989 1035 1265 1419 1935 2277 2365 2967 3795 4257 4583 4945 7095 8901 10879 11385 13749 14835 21285 22915 32637 41247 44505 50413 54395 68745 97911 105409 151239 163185 197069 206235 252065 316227 453717 489555 527045 591207 756195 948681 985345 1159499 1581135 1773621 2167759 2268585 2956035 3478497 4532587 4743405 5797495 6503277 8868105 10435491 10838795 13597761 17392485 19509831 22662935 32516385 40793283 49858457 52177455 67988805 97549155 149575371 203966415 249292285 448726113 747876855 2243630565