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68351322 = 231317192713
BaseRepresentation
bin1000001001011…
…11010101011010
311202121121101110
410010233111122
5114444220242
610441001150
71456655664
oct404572532
9152547343
1068351322
11356453a6
121aa831b6
1311212290
149113534
15600239c
hex412f55a

68351322 has 64 divisors (see below), whose sum is σ = 164142720. Its totient is φ = 18745344.

The previous prime is 68351299. The next prime is 68351357. The reversal of 68351322 is 22315386.

It is a self number, because there is not a number n which added to its sum of digits gives 68351322.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 23838 + ... + 26550.

It is an arithmetic number, because the mean of its divisors is an integer number (2564730).

Almost surely, 268351322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68351322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82071360).

68351322 is an abundant number, since it is smaller than the sum of its proper divisors (95791398).

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

68351322 is a wasteful number, since it uses less digits than its factorization.

68351322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767.

The product of its digits is 8640, while the sum is 30.

The square root of 68351322 is about 8267.4858330692. The cubic root of 68351322 is about 408.8672321296.

The spelling of 68351322 in words is "sixty-eight million, three hundred fifty-one thousand, three hundred twenty-two".

Divisors: 1 2 3 6 13 17 19 26 34 38 39 51 57 78 102 114 221 247 323 442 494 646 663 741 969 1326 1482 1938 2713 4199 5426 8139 8398 12597 16278 25194 35269 46121 51547 70538 92242 103094 105807 138363 154641 211614 276726 309282 599573 670111 876299 1199146 1340222 1752598 1798719 2010333 2628897 3597438 4020666 5257794 11391887 22783774 34175661 68351322