Search a number
-
+
68529718 = 2612811999
BaseRepresentation
bin1000001010110…
…10111000110110
311202221200002201
410011122320312
5120020422333
610444455114
71461331045
oct405327066
9152850081
1068529718
1135757434
121ab4a49a
131127553a
14915c55c
15603a17d
hex415ae36

68529718 has 16 divisors (see below), whose sum is σ = 104904000. Its totient is φ = 33566400.

The previous prime is 68529701. The next prime is 68529749. The reversal of 68529718 is 81792586.

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 7 ways as a sum of consecutive naturals, for example, 33283 + ... + 35281.

It is an arithmetic number, because the mean of its divisors is an integer number (6556500).

Almost surely, 268529718 is an apocalyptic number.

68529718 is a deficient number, since it is larger than the sum of its proper divisors (36374282).

68529718 is a wasteful number, since it uses less digits than its factorization.

68529718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2343.

The product of its digits is 241920, while the sum is 46.

The square root of 68529718 is about 8278.2678139814. The cubic root of 68529718 is about 409.2226357061. Note that the first 3 decimals are identical.

It can be divided in two parts, 685 and 29718, that added together give a palindrome (30403).

The spelling of 68529718 in words is "sixty-eight million, five hundred twenty-nine thousand, seven hundred eighteen".

Divisors: 1 2 61 122 281 562 1999 3998 17141 34282 121939 243878 561719 1123438 34264859 68529718