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68641302 = 2311440217
BaseRepresentation
bin1000001011101…
…10001000010110
311210011100011110
410011312020112
5120033010202
610451115450
71462304262
oct405661026
9153140143
1068641302
1135823254
121aba2b86
13112b4272
14918b0a2
15605d26c
hex4176216

68641302 has 8 divisors (see below), whose sum is σ = 137282616. Its totient is φ = 22880432.

The previous prime is 68641277. The next prime is 68641303. The reversal of 68641302 is 20314686.

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

68641302 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 68641302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68641303) 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, 5720103 + ... + 5720114.

It is an arithmetic number, because the mean of its divisors is an integer number (17160327).

Almost surely, 268641302 is an apocalyptic number.

68641302 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

68641302 is a wasteful number, since it uses less digits than its factorization.

68641302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11440222.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 68641302 is about 8285.0046469510. The cubic root of 68641302 is about 409.4446218204. Note that the first 3 decimals are identical.

Adding to 68641302 its reverse (20314686), we get a palindrome (88955988).

The spelling of 68641302 in words is "sixty-eight million, six hundred forty-one thousand, three hundred two".

Divisors: 1 2 3 6 11440217 22880434 34320651 68641302