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68651306 = 243798271
BaseRepresentation
bin1000001011110…
…00100100101010
311210011211212222
410011320210222
5120033320211
610451234042
71462345403
oct405704452
9153154788
1068651306
113582a819
121aba8922
13112b8999
1491909aa
1560611db
hex417892a

68651306 has 8 divisors (see below), whose sum is σ = 105371904. Its totient is φ = 33527340.

The previous prime is 68651299. The next prime is 68651327. The reversal of 68651306 is 60315686.

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

It is an unprimeable number.

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, 399050 + ... + 399221.

It is an arithmetic number, because the mean of its divisors is an integer number (13171488).

Almost surely, 268651306 is an apocalyptic number.

68651306 is a deficient number, since it is larger than the sum of its proper divisors (36720598).

68651306 is a wasteful number, since it uses less digits than its factorization.

68651306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798316.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 68651306 is about 8285.6083663181. The cubic root of 68651306 is about 409.4645121047.

The spelling of 68651306 in words is "sixty-eight million, six hundred fifty-one thousand, three hundred six".

Divisors: 1 2 43 86 798271 1596542 34325653 68651306