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68066924 = 2217016731
BaseRepresentation
bin1000000111010…
…01111001101100
311202002011021012
410003221321230
5114411120144
610430524352
71454362562
oct403517154
9152064235
1068066924
1135470762
121a9666b8
13111429b3
14907ba32
155e97e9e
hex40e9e6c

68066924 has 6 divisors (see below), whose sum is σ = 119117124. Its totient is φ = 34033460.

The previous prime is 68066899. The next prime is 68066981. The reversal of 68066924 is 42966086.

It is a super-2 number, since 2×680669242 = 9266212285643552, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 8508362 + ... + 8508369.

It is an arithmetic number, because the mean of its divisors is an integer number (19852854).

Almost surely, 268066924 is an apocalyptic number.

It is an amenable number.

68066924 is a deficient number, since it is larger than the sum of its proper divisors (51050200).

68066924 is a wasteful number, since it uses less digits than its factorization.

68066924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17016735 (or 17016733 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 68066924 is about 8250.2681168554. The cubic root of 68066924 is about 408.2993685850.

The spelling of 68066924 in words is "sixty-eight million, sixty-six thousand, nine hundred twenty-four".

Divisors: 1 2 4 17016731 34033462 68066924