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68095930 = 257972799
BaseRepresentation
bin1000000111100…
…00111110111010
311202010122001111
410003300332322
5114413032210
610431310534
71454543260
oct403607672
9152118044
1068095930
1135490531
121a97b44a
1311152c66
149088430
155ea188a
hex40f0fba

68095930 has 16 divisors (see below), whose sum is σ = 140083200. Its totient is φ = 23347152.

The previous prime is 68095921. The next prime is 68096011. The reversal of 68095930 is 3959086.

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, 486330 + ... + 486469.

It is an arithmetic number, because the mean of its divisors is an integer number (8755200).

Almost surely, 268095930 is an apocalyptic number.

68095930 is an abundant number, since it is smaller than the sum of its proper divisors (71987270).

68095930 is a wasteful number, since it uses less digits than its factorization.

68095930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972813.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 68095930 is about 8252.0258118840. The cubic root of 68095930 is about 408.3573578349.

The spelling of 68095930 in words is "sixty-eight million, ninety-five thousand, nine hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 972799 1945598 4863995 6809593 9727990 13619186 34047965 68095930