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68708582 = 243798937
BaseRepresentation
bin1000001100001…
…10100011100110
311210021202110022
410012012203212
5120042133312
610452355142
71463004365
oct406064346
9153252408
1068708582
1135869858
121b015ab2
1311308a87
1491a77dc
156073172
hex41868e6

68708582 has 8 divisors (see below), whose sum is σ = 105459816. Its totient is φ = 33555312.

The previous prime is 68708581. The next prime is 68708599. The reversal of 68708582 is 28580786.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68708581) 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 3 ways as a sum of consecutive naturals, for example, 399383 + ... + 399554.

It is an arithmetic number, because the mean of its divisors is an integer number (13182477).

Almost surely, 268708582 is an apocalyptic number.

68708582 is a deficient number, since it is larger than the sum of its proper divisors (36751234).

68708582 is a wasteful number, since it uses less digits than its factorization.

68708582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798982.

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 68708582 is about 8289.0640002355. The cubic root of 68708582 is about 409.5783529604.

The spelling of 68708582 in words is "sixty-eight million, seven hundred eight thousand, five hundred eighty-two".

Divisors: 1 2 43 86 798937 1597874 34354291 68708582