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290275267984 = 241347972
BaseRepresentation
bin1000011100101011100…
…00010001010110010000
31000202020210010110022021
410032111300101112100
514223440432033414
6341203422221224
726654202032062
oct4162560212620
91022223113267
10290275267984
11102117904199
1248310724814
13214b0190000
1410099795732
15783da76c24
hex4395c11590

290275267984 has 75 divisors (see below), whose sum is σ = 610039470197. Its totient is φ = 133805103744.

The previous prime is 290275267979. The next prime is 290275267987. The reversal of 290275267984 is 489762572092.

The square root of 290275267984 is 538772.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 290240787600 + 34480384 = 538740^2 + 5872^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (290275267987) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 364209474 + ... + 364210270.

Almost surely, 2290275267984 is an apocalyptic number.

290275267984 is the 538772-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 290275267984

290275267984 is an abundant number, since it is smaller than the sum of its proper divisors (319764202213).

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

290275267984 is an frugal number, since it uses more digits than its factorization.

290275267984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654 (or 812 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 61.

The spelling of 290275267984 in words is "two hundred ninety billion, two hundred seventy-five million, two hundred sixty-seven thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 13 16 26 52 104 169 208 338 676 797 1352 1594 2197 2704 3188 4394 6376 8788 10361 12752 17576 20722 28561 35152 41444 57122 82888 114244 134693 165776 228488 269386 456976 538772 635209 1077544 1270418 1751009 2155088 2540836 3502018 5081672 7004036 8257717 10163344 14008072 16515434 22763117 28016144 33030868 45526234 66061736 91052468 107350321 132123472 182104936 214700642 364209872 429401284 858802568 1395554173 1717605136 2791108346 5582216692 11164433384 18142204249 22328866768 36284408498 72568816996 145137633992 290275267984