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68085301 = 2913717137
BaseRepresentation
bin1000000111011…
…10011000110101
311202010002110211
410003232120311
5114412212201
610431145421
71454500264
oct403563065
9152102424
1068085301
1135483549
121a975271
131114b17b
1490845db
155e9d651
hex40ee635

68085301 has 8 divisors (see below), whose sum is σ = 70951320. Its totient is φ = 65253888.

The previous prime is 68085293. The next prime is 68085307. The reversal of 68085301 is 10358086.

It can be written as a sum of positive squares in 4 ways, for example, as 599076 + 67486225 = 774^2 + 8215^2 .

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 68085301 - 23 = 68085293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68085307) 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, 4596 + ... + 12541.

It is an arithmetic number, because the mean of its divisors is an integer number (8868915).

Almost surely, 268085301 is an apocalyptic number.

It is an amenable number.

68085301 is a deficient number, since it is larger than the sum of its proper divisors (2866019).

68085301 is a wasteful number, since it uses less digits than its factorization.

68085301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17303.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 68085301 is about 8251.3817630746. The cubic root of 68085301 is about 408.3361100834.

It can be divided in two parts, 68085 and 301, that added together give a palindrome (68386).

The spelling of 68085301 in words is "sixty-eight million, eighty-five thousand, three hundred one".

Divisors: 1 29 137 3973 17137 496973 2347769 68085301