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808412620 = 225674211433
BaseRepresentation
bin110000001011110…
…110010111001100
32002100011121122011
4300023312113030
53123423200440
6212115031004
726014252051
oct6013662714
92070147564
10808412620
11385367404
121a689b464
13cb63a082
1479519028
154ae899ea
hex302f65cc

808412620 has 48 divisors (see below), whose sum is σ = 1728302688. Its totient is φ = 317560320.

The previous prime is 808412617. The next prime is 808412629. The reversal of 808412620 is 26214808.

808412620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (808412629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 563424 + ... + 564856.

It is an arithmetic number, because the mean of its divisors is an integer number (36006306).

Almost surely, 2808412620 is an apocalyptic number.

It is an amenable number.

808412620 is an abundant number, since it is smaller than the sum of its proper divisors (919890068).

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

808412620 is a wasteful number, since it uses less digits than its factorization.

808412620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930 (or 1928 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 808412620 is about 28432.5978412104. The cubic root of 808412620 is about 931.5604203941.

The spelling of 808412620 in words is "eight hundred eight million, four hundred twelve thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 67 134 268 335 421 670 842 1340 1433 1684 2105 2866 4210 5732 7165 8420 14330 28207 28660 56414 96011 112828 141035 192022 282070 384044 480055 564140 603293 960110 1206586 1920220 2413172 3016465 6032930 12065860 40420631 80841262 161682524 202103155 404206310 808412620