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8668135 = 571671483
BaseRepresentation
bin100001000100…
…001111100111
3121022101110001
4201010033213
54204340020
6505442131
7133451350
oct41041747
917271401
108668135
114990553
122aa0347
131a46598
141218d27
15b6350a
hex8443e7

8668135 has 16 divisors (see below), whose sum is σ = 11966976. Its totient is φ = 5904288.

The previous prime is 8668133. The next prime is 8668141. The reversal of 8668135 is 5318668.

It is a cyclic number.

It is not a de Polignac number, because 8668135 - 21 = 8668133 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8668094 and 8668103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8668133) 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 15 ways as a sum of consecutive naturals, for example, 5104 + ... + 6586.

It is an arithmetic number, because the mean of its divisors is an integer number (747936).

Almost surely, 28668135 is an apocalyptic number.

8668135 is a deficient number, since it is larger than the sum of its proper divisors (3298841).

8668135 is a wasteful number, since it uses less digits than its factorization.

8668135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662.

The product of its digits is 34560, while the sum is 37.

The square root of 8668135 is about 2944.1696622308. The cubic root of 8668135 is about 205.4196045553.

The spelling of 8668135 in words is "eight million, six hundred sixty-eight thousand, one hundred thirty-five".

Divisors: 1 5 7 35 167 835 1169 1483 5845 7415 10381 51905 247661 1238305 1733627 8668135