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68334539 = 713750929
BaseRepresentation
bin1000001001010…
…11001111001011
311202120202100212
410010223033023
5114443201124
610440351335
71456556030
oct404531713
9152522325
1068334539
1135633829
121aa7554b
1311207750
14910b387
155eec40e
hex412b3cb

68334539 has 8 divisors (see below), whose sum is σ = 84104160. Its totient is φ = 54066816.

The previous prime is 68334521. The next prime is 68334599. The reversal of 68334539 is 93543386.

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

It is a cyclic number.

It is not a de Polignac number, because 68334539 - 28 = 68334283 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68334496 and 68334505.

It is not an unprimeable number, because it can be changed into a prime (68334599) 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 7 ways as a sum of consecutive naturals, for example, 375374 + ... + 375555.

It is an arithmetic number, because the mean of its divisors is an integer number (10513020).

Almost surely, 268334539 is an apocalyptic number.

68334539 is a deficient number, since it is larger than the sum of its proper divisors (15769621).

68334539 is a wasteful number, since it uses less digits than its factorization.

68334539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750949.

The product of its digits is 233280, while the sum is 41.

The square root of 68334539 is about 8266.4707705284. The cubic root of 68334539 is about 408.8337649376.

The spelling of 68334539 in words is "sixty-eight million, three hundred thirty-four thousand, five hundred thirty-nine".

Divisors: 1 7 13 91 750929 5256503 9762077 68334539