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808408444 = 221019472113
BaseRepresentation
bin110000001011110…
…101010101111100
32002100011101220111
4300023311111330
53123423032234
6212114555404
726014233634
oct6013652574
92070141814
10808408444
11385364258
121a6898b64
13cb6381bc
14795176c4
154ae88664
hex302f557c

808408444 has 24 divisors (see below), whose sum is σ = 1430907408. Its totient is φ = 399590400.

The previous prime is 808408411. The next prime is 808408451. The reversal of 808408444 is 444804808.

It is a super-2 number, since 2×8084084442 = 1307048424661002272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 808408397 and 808408406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381532 + ... + 383644.

It is an arithmetic number, because the mean of its divisors is an integer number (59621142).

Almost surely, 2808408444 is an apocalyptic number.

It is an amenable number.

808408444 is a deficient number, since it is larger than the sum of its proper divisors (622498964).

808408444 is a wasteful number, since it uses less digits than its factorization.

808408444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3165 (or 3163 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 40.

The square root of 808408444 is about 28432.5244042804. The cubic root of 808408444 is about 931.5588163440.

The spelling of 808408444 in words is "eight hundred eight million, four hundred eight thousand, four hundred forty-four".

Divisors: 1 2 4 101 202 404 947 1894 2113 3788 4226 8452 95647 191294 213413 382588 426826 853652 2001011 4002022 8004044 202102111 404204222 808408444