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68234741 = 473074729
BaseRepresentation
bin1000001000100…
…10110111110101
311202101200110122
410010102313311
5114432002431
610434301325
71455662051
oct404226765
9152350418
1068234741
1135575853
121aa27845
13111a11b3
1490c2c61
155ecca7b
hex4112df5

68234741 has 8 divisors (see below), whose sum is σ = 69928320. Its totient is φ = 66551328.

The previous prime is 68234737. The next prime is 68234759. The reversal of 68234741 is 14743286.

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 68234741 - 22 = 68234737 is a prime.

It is a super-3 number, since 3×682347413 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68234041) 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, 12065 + ... + 16793.

It is an arithmetic number, because the mean of its divisors is an integer number (8741040).

Almost surely, 268234741 is an apocalyptic number.

It is an amenable number.

68234741 is a deficient number, since it is larger than the sum of its proper divisors (1693579).

68234741 is a wasteful number, since it uses less digits than its factorization.

68234741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5083.

The product of its digits is 32256, while the sum is 35.

The square root of 68234741 is about 8260.4322526125. The cubic root of 68234741 is about 408.6346432290.

The spelling of 68234741 in words is "sixty-eight million, two hundred thirty-four thousand, seven hundred forty-one".

Divisors: 1 47 307 4729 14429 222263 1451803 68234741