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68385114 = 23371131601
BaseRepresentation
bin1000001001101…
…11100101011010
311202200022202000
410010313211122
5120001310424
610441421430
71460156340
oct404674532
9152608660
1068385114
1135668826
121aa9a876
1311224785
149121990
15600c3c9
hex413795a

68385114 has 64 divisors (see below), whose sum is σ = 175322880. Its totient is φ = 19353600.

The previous prime is 68385073. The next prime is 68385133. The reversal of 68385114 is 41158386.

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 31 ways as a sum of consecutive naturals, for example, 41914 + ... + 43514.

It is an arithmetic number, because the mean of its divisors is an integer number (2739420).

Almost surely, 268385114 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68385114, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87661440).

68385114 is an abundant number, since it is smaller than the sum of its proper divisors (106937766).

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

68385114 is a wasteful number, since it uses less digits than its factorization.

68385114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732 (or 1726 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 68385114 is about 8269.5292489960. The cubic root of 68385114 is about 408.9346005669.

It can be divided in two parts, 683851 and 14, that added together give a triangular number (683865 = T1169).

The spelling of 68385114 in words is "sixty-eight million, three hundred eighty-five thousand, one hundred fourteen".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 113 126 189 226 339 378 678 791 1017 1582 1601 2034 2373 3051 3202 4746 4803 6102 7119 9606 11207 14238 14409 21357 22414 28818 33621 42714 43227 67242 86454 100863 180913 201726 302589 361826 542739 605178 1085478 1266391 1628217 2532782 3256434 3799173 4884651 7598346 9769302 11397519 22795038 34192557 68385114