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6855128 = 237163751
BaseRepresentation
bin11010001001100111011000
3110220021110122
4122021213120
53223331003
6402532412
7112160540
oct32114730
913807418
106855128
1139623a5
122367108
1315602b7
14ca6320
15906238
hex6899d8

6855128 has 32 divisors (see below), whose sum is σ = 14799360. Its totient is φ = 2916000.

The previous prime is 6855113. The next prime is 6855133. The reversal of 6855128 is 8215586.

It is a happy number.

It is a nialpdrome in base 14.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 8753 + ... + 9503.

It is an arithmetic number, because the mean of its divisors is an integer number (462480).

Almost surely, 26855128 is an apocalyptic number.

It is an amenable number.

6855128 is an abundant number, since it is smaller than the sum of its proper divisors (7944232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6855128 is a wasteful number, since it uses less digits than its factorization.

6855128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927 (or 923 counting only the distinct ones).

The product of its digits is 19200, while the sum is 35.

The square root of 6855128 is about 2618.2299364265. The cubic root of 6855128 is about 189.9642407310.

The spelling of 6855128 in words is "six million, eight hundred fifty-five thousand, one hundred twenty-eight".

Divisors: 1 2 4 7 8 14 28 56 163 326 652 751 1141 1304 1502 2282 3004 4564 5257 6008 9128 10514 21028 42056 122413 244826 489652 856891 979304 1713782 3427564 6855128