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68179662 = 2323787759
BaseRepresentation
bin1000001000001…
…01011011001110
311202021212220200
410010011123032
5114423222122
610433154330
71455342345
oct404053316
9152255820
1068179662
1135538431
121a9bb9a6
13111820c5
1490aab5c
155ebb5ac
hex41056ce

68179662 has 12 divisors (see below), whose sum is σ = 147722640. Its totient is φ = 22726548.

The previous prime is 68179637. The next prime is 68179663. The reversal of 68179662 is 26697186.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68179663) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1893862 + ... + 1893897.

It is an arithmetic number, because the mean of its divisors is an integer number (12310220).

Almost surely, 268179662 is an apocalyptic number.

68179662 is an abundant number, since it is smaller than the sum of its proper divisors (79542978).

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

68179662 is a wasteful number, since it uses less digits than its factorization.

68179662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787767 (or 3787764 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 68179662 is about 8257.0976741225. The cubic root of 68179662 is about 408.5246638362.

The spelling of 68179662 in words is "sixty-eight million, one hundred seventy-nine thousand, six hundred sixty-two".

Divisors: 1 2 3 6 9 18 3787759 7575518 11363277 22726554 34089831 68179662