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2129224208 = 24192368633
BaseRepresentation
bin111111011101001…
…0110001000010000
312111101111210111212
41332322112020100
513330040133313
6551140355252
7103523051516
oct17672261020
95441453455
102129224208
119a2989731
124b50a5b28
1327c1809a7
14162ad64b6
15c6ddb3a8
hex7ee96210

2129224208 has 30 divisors (see below), whose sum is σ = 4353936174. Its totient is φ = 1008577152.

The previous prime is 2129224199. The next prime is 2129224219. The reversal of 2129224208 is 8024229212.

It can be written as a sum of positive squares in only one way, i.e., 1259682064 + 869542144 = 35492^2 + 29488^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 178541 + ... + 190092.

Almost surely, 22129224208 is an apocalyptic number.

It is an amenable number.

2129224208 is an abundant number, since it is smaller than the sum of its proper divisors (2224711966).

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

2129224208 is a wasteful number, since it uses less digits than its factorization.

2129224208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368679 (or 368654 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 2129224208 is about 46143.5175078797. The cubic root of 2129224208 is about 1286.4921238830.

The spelling of 2129224208 in words is "two billion, one hundred twenty-nine million, two hundred twenty-four thousand, two hundred eight".

Divisors: 1 2 4 8 16 19 38 76 152 304 361 722 1444 2888 5776 368633 737266 1474532 2949064 5898128 7004027 14008054 28016108 56032216 112064432 133076513 266153026 532306052 1064612104 2129224208