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68589763 = 1131712833
BaseRepresentation
bin1000001011010…
…01100011000011
311210001201110121
410011221203003
5120024333023
610450041111
71462001104
oct405514303
9153051417
1068589763
1135798560
121ab79197
1311296978
1491763ab
15604cd5d
hex41698c3

68589763 has 16 divisors (see below), whose sum is σ = 78354432. Its totient is φ = 59472000.

The previous prime is 68589751. The next prime is 68589793. The reversal of 68589763 is 36798586.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-68589763 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68589763.

It is not an unprimeable number, because it can be changed into a prime (68589733) 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 15 ways as a sum of consecutive naturals, for example, 22795 + ... + 25627.

It is an arithmetic number, because the mean of its divisors is an integer number (4897152).

Almost surely, 268589763 is an apocalyptic number.

68589763 is a deficient number, since it is larger than the sum of its proper divisors (9764669).

68589763 is a wasteful number, since it uses less digits than its factorization.

68589763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2946.

The product of its digits is 2177280, while the sum is 52.

The square root of 68589763 is about 8281.8936844178. The cubic root of 68589763 is about 409.3421196364.

The spelling of 68589763 in words is "sixty-eight million, five hundred eighty-nine thousand, seven hundred sixty-three".

Divisors: 1 11 31 71 341 781 2201 2833 24211 31163 87823 201143 966053 2212573 6235433 68589763