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808128 = 26322361
BaseRepresentation
bin11000101010011000000
31112001112200
43011103000
5201330003
625153200
76604026
oct3052300
91461480
10808128
11502182
1232b800
13223aa9
14170716
1510e6a3
hexc54c0

808128 has 84 divisors (see below), whose sum is σ = 2456688. Its totient is φ = 253440.

The previous prime is 808111. The next prime is 808147. The reversal of 808128 is 821808.

It is an unprimeable number.

808128 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13218 + ... + 13278.

2808128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 808128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1228344).

808128 is an abundant number, since it is smaller than the sum of its proper divisors (1648560).

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

808128 is a wasteful number, since it uses less digits than its factorization.

808128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 808128 is about 898.9593984157. The cubic root of 808128 is about 93.1451081903.

The spelling of 808128 in words is "eight hundred eight thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 23 24 32 36 46 48 61 64 69 72 92 96 122 138 144 183 184 192 207 244 276 288 366 368 414 488 549 552 576 732 736 828 976 1098 1104 1403 1464 1472 1656 1952 2196 2208 2806 2928 3312 3904 4209 4392 4416 5612 5856 6624 8418 8784 11224 11712 12627 13248 16836 17568 22448 25254 33672 35136 44896 50508 67344 89792 101016 134688 202032 269376 404064 808128