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8068135 = 51978191
BaseRepresentation
bin11110110001110000100111
3120011220101211
4132301300213
54031140020
6444532251
7125402155
oct36616047
916156354
108068135
114610789
122851087
13189645a
1411003d5
15a9585a
hex7b1c27

8068135 has 8 divisors (see below), whose sum is σ = 9732096. Its totient is φ = 6420960.

The previous prime is 8068127. The next prime is 8068139. The reversal of 8068135 is 5318608.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8068135 - 23 = 8068127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8068097 and 8068106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8068139) by changing a digit.

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, 3111 + ... + 5080.

It is an arithmetic number, because the mean of its divisors is an integer number (1216512).

Almost surely, 28068135 is an apocalyptic number.

8068135 is a deficient number, since it is larger than the sum of its proper divisors (1663961).

8068135 is a wasteful number, since it uses less digits than its factorization.

8068135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8393.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 8068135 is about 2840.4462677544. The cubic root of 8068135 is about 200.5661873138.

The spelling of 8068135 in words is "eight million, sixty-eight thousand, one hundred thirty-five".

Divisors: 1 5 197 985 8191 40955 1613627 8068135