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208442608 = 24113732009
BaseRepresentation
bin11000110110010…
…01010011110000
3112112012222111121
430123021103300
5411330130413
632403352024
75110506253
oct1433112360
9475188447
10208442608
11a772a020
1259982614
133425202a
141d97d09a
1513475b8d
hexc6c94f0

208442608 has 40 divisors (see below), whose sum is σ = 452493360. Its totient is φ = 92183040.

The previous prime is 208442599. The next prime is 208442651. The reversal of 208442608 is 806244802.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9493 + ... + 22516.

It is an arithmetic number, because the mean of its divisors is an integer number (11312334).

Almost surely, 2208442608 is an apocalyptic number.

It is an amenable number.

208442608 is an abundant number, since it is smaller than the sum of its proper divisors (244050752).

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

208442608 is a wasteful number, since it uses less digits than its factorization.

208442608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32065 (or 32059 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 208442608 is about 14437.5416189876. The cubic root of 208442608 is about 592.9191801867.

The spelling of 208442608 in words is "two hundred eight million, four hundred forty-two thousand, six hundred eight".

Divisors: 1 2 4 8 11 16 22 37 44 74 88 148 176 296 407 592 814 1628 3256 6512 32009 64018 128036 256072 352099 512144 704198 1184333 1408396 2368666 2816792 4737332 5633584 9474664 13027663 18949328 26055326 52110652 104221304 208442608