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1608068694 = 23268011449
BaseRepresentation
bin101111111011001…
…0010111001010110
311011001212100112210
41133312102321112
511243131144234
6423322254250
754564233631
oct13766227126
94131770483
101608068694
117557928a1
1238a657386
131c81cc54b
141137d4c18
1596294be9
hex5fd92e56

1608068694 has 8 divisors (see below), whose sum is σ = 3216137400. Its totient is φ = 536022896.

The previous prime is 1608068689. The next prime is 1608068701. The reversal of 1608068694 is 4968608061.

It is a sphenic number, since it is the product of 3 distinct primes.

1608068694 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134005719 + ... + 134005730.

It is an arithmetic number, because the mean of its divisors is an integer number (402017175).

Almost surely, 21608068694 is an apocalyptic number.

1608068694 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1608068694 is a wasteful number, since it uses less digits than its factorization.

1608068694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268011454.

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 1608068694 is about 40100.7318387084. The cubic root of 1608068694 is about 1171.5698832684.

The spelling of 1608068694 in words is "one billion, six hundred eight million, sixty-eight thousand, six hundred ninety-four".

Divisors: 1 2 3 6 268011449 536022898 804034347 1608068694