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2005271072 = 25712770489
BaseRepresentation
bin111011110000110…
…0000001000100000
312011202021022202222
41313201200020200
513101322133242
6530551530212
7100456344230
oct16741401040
95152238688
102005271072
11939a17922
1247b689968
1325c5a163c
1415046bcc0
15bb0a45d2
hex77860220

2005271072 has 48 divisors (see below), whose sum is σ = 4547450880. Its totient is φ = 852622848.

The previous prime is 2005271041. The next prime is 2005271083. The reversal of 2005271072 is 2701725002.

It is a super-2 number, since 2×20052710722 = 8042224144400058368, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6797 + ... + 63692.

It is an arithmetic number, because the mean of its divisors is an integer number (94738560).

Almost surely, 22005271072 is an apocalyptic number.

It is an amenable number.

2005271072 is an abundant number, since it is smaller than the sum of its proper divisors (2542179808).

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

2005271072 is a wasteful number, since it uses less digits than its factorization.

2005271072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70633 (or 70625 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 2005271072 is about 44780.2531480116. The cubic root of 2005271072 is about 1261.0269346914.

Adding to 2005271072 its reverse (2701725002), we get a palindrome (4706996074).

The spelling of 2005271072 in words is "two billion, five million, two hundred seventy-one thousand, seventy-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 127 224 254 508 889 1016 1778 2032 3556 4064 7112 14224 28448 70489 140978 281956 493423 563912 986846 1127824 1973692 2255648 3947384 7894768 8952103 15789536 17904206 35808412 62664721 71616824 125329442 143233648 250658884 286467296 501317768 1002635536 2005271072