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68971694 = 2112285007
BaseRepresentation
bin1000001110001…
…10110010101110
311210210010101012
410013012302232
5120124043234
610502145222
71465151441
oct407066256
9153703335
1068971694
1135a29500
121b122212
131139b76c
149235658
1560c60ce
hex41c6cae

68971694 has 12 divisors (see below), whose sum is σ = 113718192. Its totient is φ = 31350660.

The previous prime is 68971627. The next prime is 68971711. The reversal of 68971694 is 49617986.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 142262 + ... + 142745.

It is an arithmetic number, because the mean of its divisors is an integer number (9476516).

Almost surely, 268971694 is an apocalyptic number.

68971694 is a deficient number, since it is larger than the sum of its proper divisors (44746498).

68971694 is a wasteful number, since it uses less digits than its factorization.

68971694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285031 (or 285020 counting only the distinct ones).

The product of its digits is 653184, while the sum is 50.

The square root of 68971694 is about 8304.9198671631. The cubic root of 68971694 is about 410.1004988617.

The spelling of 68971694 in words is "sixty-eight million, nine hundred seventy-one thousand, six hundred ninety-four".

Divisors: 1 2 11 22 121 242 285007 570014 3135077 6270154 34485847 68971694