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808288 = 25132967
BaseRepresentation
bin11000101010101100000
31112001202121
43011111200
5201331123
625154024
76604345
oct3052540
91461677
10808288
11502308
1232b914
13223ba0
141707cc
1510e75d
hexc5560

808288 has 48 divisors (see below), whose sum is σ = 1799280. Its totient is φ = 354816.

The previous prime is 808267. The next prime is 808307. The reversal of 808288 is 882808.

It is a congruent number.

It is an unprimeable number.

808288 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12031 + ... + 12097.

It is an arithmetic number, because the mean of its divisors is an integer number (37485).

2808288 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 808288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (899640).

808288 is an abundant number, since it is smaller than the sum of its proper divisors (990992).

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

808288 is a wasteful number, since it uses less digits than its factorization.

808288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 34.

The square root of 808288 is about 899.0483857947. The cubic root of 808288 is about 93.1512550028.

The spelling of 808288 in words is "eight hundred eight thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 13 16 26 29 32 52 58 67 104 116 134 208 232 268 377 416 464 536 754 871 928 1072 1508 1742 1943 2144 3016 3484 3886 6032 6968 7772 12064 13936 15544 25259 27872 31088 50518 62176 101036 202072 404144 808288