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68043308 = 22531931663
BaseRepresentation
bin1000000111001…
…00001000101100
311202000221212112
410003210020230
5114404341213
610430223152
71454233664
oct403441054
9152027775
1068043308
1135454a43
121a954ab8
1311135018
1490731a4
155e90ea8
hex40e422c

68043308 has 24 divisors (see below), whose sum is σ = 122024448. Its totient is φ = 33186816.

The previous prime is 68043277. The next prime is 68043323. The reversal of 68043308 is 80334086.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40085 + ... + 41747.

It is an arithmetic number, because the mean of its divisors is an integer number (5084352).

Almost surely, 268043308 is an apocalyptic number.

It is an amenable number.

68043308 is a deficient number, since it is larger than the sum of its proper divisors (53981140).

68043308 is a wasteful number, since it uses less digits than its factorization.

68043308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913 (or 1911 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 68043308 is about 8248.8367664780. The cubic root of 68043308 is about 408.2521429396.

The spelling of 68043308 in words is "sixty-eight million, forty-three thousand, three hundred eight".

Divisors: 1 2 4 53 106 193 212 386 772 1663 3326 6652 10229 20458 40916 88139 176278 320959 352556 641918 1283836 17010827 34021654 68043308