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68387014 = 2156721821
BaseRepresentation
bin1000001001110…
…00000011000110
311202200102100101
410010320003012
5120001341024
610441434314
71460165023
oct404700306
9152612311
1068387014
113566a1a3
121aa9b99a
13112255b7
14912254a
15600cc44
hex41380c6

68387014 has 8 divisors (see below), whose sum is σ = 102650688. Its totient is φ = 34170120.

The previous prime is 68387009. The next prime is 68387029. The reversal of 68387014 is 41078386.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7777 + ... + 14044.

It is an arithmetic number, because the mean of its divisors is an integer number (12831336).

Almost surely, 268387014 is an apocalyptic number.

68387014 is a deficient number, since it is larger than the sum of its proper divisors (34263674).

68387014 is a wasteful number, since it uses less digits than its factorization.

68387014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23390.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 68387014 is about 8269.6441277724. The cubic root of 68387014 is about 408.9383877875.

The spelling of 68387014 in words is "sixty-eight million, three hundred eighty-seven thousand, fourteen".

Divisors: 1 2 1567 3134 21821 43642 34193507 68387014