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68442104 = 2319450277
BaseRepresentation
bin1000001010001…
…01011111111000
311202210012220202
410011011133320
5120010121404
610442541332
71460514443
oct405053770
9152705822
1068442104
11356a7625
121ab07848
13112446b3
14913865a
15601e21e
hex41457f8

68442104 has 16 divisors (see below), whose sum is σ = 135083400. Its totient is φ = 32419872.

The previous prime is 68442103. The next prime is 68442113. The reversal of 68442104 is 40124486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68442103) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 224987 + ... + 225290.

Almost surely, 268442104 is an apocalyptic number.

It is an amenable number.

68442104 is a deficient number, since it is larger than the sum of its proper divisors (66641296).

68442104 is a wasteful number, since it uses less digits than its factorization.

68442104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450302 (or 450298 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 68442104 is about 8272.9743139937. The cubic root of 68442104 is about 409.0481667637.

The spelling of 68442104 in words is "sixty-eight million, four hundred forty-two thousand, one hundred four".

Divisors: 1 2 4 8 19 38 76 152 450277 900554 1801108 3602216 8555263 17110526 34221052 68442104