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BaseRepresentation
bin1000001010111…
…01101100000001
311202222020211102
410011131230001
5120021304220
610445024145
71461406346
oct405355401
9152866742
1068541185
1135765009
121ab55055
131127a81b
1491627cd
15603d775
hex415db01

68541185 has 16 divisors (see below), whose sum is σ = 84041280. Its totient is φ = 53647680.

The previous prime is 68541149. The next prime is 68541191. The reversal of 68541185 is 58114586.

It is not a de Polignac number, because 68541185 - 28 = 68540929 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 83075 + ... + 83895.

It is an arithmetic number, because the mean of its divisors is an integer number (5252580).

Almost surely, 268541185 is an apocalyptic number.

It is an amenable number.

68541185 is a deficient number, since it is larger than the sum of its proper divisors (15500095).

68541185 is a wasteful number, since it uses less digits than its factorization.

68541185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168.

The product of its digits is 38400, while the sum is 38.

The square root of 68541185 is about 8278.9603815938. The cubic root of 68541185 is about 409.2454593530.

The spelling of 68541185 in words is "sixty-eight million, five hundred forty-one thousand, one hundred eighty-five".