Search a number
-
+
808200864 = 253223122011
BaseRepresentation
bin110000001011000…
…010101010100000
32002022202212011100
4300023002222200
53123344411424
6212110314400
726012410512
oct6013025240
92068685140
10808200864
113852322a9
121a67b8a00
13cb594883
14794a1bb2
154ae46dc9
hex302c2aa0

808200864 has 72 divisors (see below), whose sum is σ = 2398267872. Its totient is φ = 257685120.

The previous prime is 808200851. The next prime is 808200871. The reversal of 808200864 is 468002808.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54382 + ... + 67629.

It is an arithmetic number, because the mean of its divisors is an integer number (33309276).

Almost surely, 2808200864 is an apocalyptic number.

It is an amenable number.

808200864 is an abundant number, since it is smaller than the sum of its proper divisors (1590067008).

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

808200864 is a wasteful number, since it uses less digits than its factorization.

808200864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122050 (or 122039 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 808200864 is about 28428.8737729795. The cubic root of 808200864 is about 931.4790754927.

The spelling of 808200864 in words is "eight hundred eight million, two hundred thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 23 24 32 36 46 48 69 72 92 96 138 144 184 207 276 288 368 414 552 736 828 1104 1656 2208 3312 6624 122011 244022 366033 488044 732066 976088 1098099 1464132 1952176 2196198 2806253 2928264 3904352 4392396 5612506 5856528 8418759 8784792 11225012 11713056 16837518 17569584 22450024 25256277 33675036 35139168 44900048 50512554 67350072 89800096 101025108 134700144 202050216 269400288 404100432 808200864