Search a number
-
+
68348534 = 21729103673
BaseRepresentation
bin1000001001011…
…10101001110110
311202121110120012
410010232221312
5114444123114
610440540222
71456644602
oct404565166
9152543505
1068348534
11356432a1
121aa81672
1311210c27
149112502
15600163e
hex412ea76

68348534 has 32 divisors (see below), whose sum is σ = 113555520. Its totient is φ = 30707712.

The previous prime is 68348507. The next prime is 68348549. The reversal of 68348534 is 43584386.

It is a happy number.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68348491 and 68348500.

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 15 ways as a sum of consecutive naturals, for example, 101222 + ... + 101894.

It is an arithmetic number, because the mean of its divisors is an integer number (3548610).

Almost surely, 268348534 is an apocalyptic number.

68348534 is a deficient number, since it is larger than the sum of its proper divisors (45206986).

68348534 is a wasteful number, since it uses less digits than its factorization.

68348534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824.

The product of its digits is 276480, while the sum is 41.

The square root of 68348534 is about 8267.3172190258. The cubic root of 68348534 is about 408.8616729231.

The spelling of 68348534 in words is "sixty-eight million, three hundred forty-eight thousand, five hundred thirty-four".

Divisors: 1 2 17 29 34 58 103 206 493 673 986 1346 1751 2987 3502 5974 11441 19517 22882 39034 50779 69319 101558 138638 331789 663578 1178423 2010251 2356846 4020502 34174267 68348534