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68108064 = 2535471297
BaseRepresentation
bin1000000111100…
…11111100100000
311202011020200220
410003303330200
5114413424224
610431443040
71454623533
oct403637440
9152136626
1068108064
1135499662
121a986480
131115863b
14908ca1a
155ea5279
hex40f3f20

68108064 has 48 divisors (see below), whose sum is σ = 179248608. Its totient is φ = 22643712.

The previous prime is 68108059. The next prime is 68108071. The reversal of 68108064 is 46080186.

It is a tau number, because it is divible by the number of its divisors (48).

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, 51864 + ... + 53160.

It is an arithmetic number, because the mean of its divisors is an integer number (3734346).

Almost surely, 268108064 is an apocalyptic number.

It is an amenable number.

68108064 is an abundant number, since it is smaller than the sum of its proper divisors (111140544).

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

68108064 is a wasteful number, since it uses less digits than its factorization.

68108064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857 (or 1849 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 68108064 is about 8252.7609925406. The cubic root of 68108064 is about 408.3816114328.

The spelling of 68108064 in words is "sixty-eight million, one hundred eight thousand, sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 547 1094 1297 1641 2188 2594 3282 3891 4376 5188 6564 7782 8752 10376 13128 15564 17504 20752 26256 31128 41504 52512 62256 124512 709459 1418918 2128377 2837836 4256754 5675672 8513508 11351344 17027016 22702688 34054032 68108064