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68544586 = 21125112413
BaseRepresentation
bin1000001010111…
…10100001001010
311202222102111101
410011132201022
5120021411321
610445052014
71461422305
oct405364112
9152872441
1068544586
1135767620
121ab5700a
131127c236
149163b3c
15603e791
hex415e84a

68544586 has 16 divisors (see below), whose sum is σ = 112619808. Its totient is φ = 31030000.

The previous prime is 68544583. The next prime is 68544599.

68544586 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×685445862 = 9396720539822792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68544583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 685 + ... + 11728.

It is an arithmetic number, because the mean of its divisors is an integer number (7038738).

Almost surely, 268544586 is an apocalyptic number.

68544586 is a deficient number, since it is larger than the sum of its proper divisors (44075222).

68544586 is a wasteful number, since it uses less digits than its factorization.

68544586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12677.

The product of its digits is 921600, while the sum is 46.

The square root of 68544586 is about 8279.1657792316. The cubic root of 68544586 is about 409.2522281339.

The spelling of 68544586 in words is "sixty-eight million, five hundred forty-four thousand, five hundred eighty-six".

Divisors: 1 2 11 22 251 502 2761 5522 12413 24826 136543 273086 3115663 6231326 34272293 68544586