Search a number
-
+
808412160 = 2103552631
BaseRepresentation
bin110000001011110…
…110010000000000
32002100011121000010
4300023312100000
53123423142120
6212115024520
726014250523
oct6013662000
92070147003
10808412160
11385367026
121a689b140
13cb639aba
1479518bba
154ae897e0
hex302f6400

808412160 has 88 divisors (see below), whose sum is σ = 2585704896. Its totient is φ = 215572480.

The previous prime is 808412131. The next prime is 808412161. The reversal of 808412160 is 61214808.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (808412161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10956 + ... + 41675.

Almost surely, 2808412160 is an apocalyptic number.

808412160 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

808412160 is an abundant number, since it is smaller than the sum of its proper divisors (1777292736).

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

808412160 is a wasteful number, since it uses less digits than its factorization.

808412160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52659 (or 52641 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 808412160 is about 28432.5897519027. The cubic root of 808412160 is about 931.5602437030.

Adding to 808412160 its reverse (61214808), we get a palindrome (869626968).

The spelling of 808412160 in words is "eight hundred eight million, four hundred twelve thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 512 640 768 960 1024 1280 1536 1920 2560 3072 3840 5120 7680 15360 52631 105262 157893 210524 263155 315786 421048 526310 631572 789465 842096 1052620 1263144 1578930 1684192 2105240 2526288 3157860 3368384 4210480 5052576 6315720 6736768 8420960 10105152 12631440 13473536 16841920 20210304 25262880 26947072 33683840 40420608 50525760 53894144 67367680 80841216 101051520 134735360 161682432 202103040 269470720 404206080 808412160