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808448442 = 2319311032221
BaseRepresentation
bin110000001011111…
…111000110111010
32002100020102202220
4300023333012322
53123430322232
6212115504510
726014461354
oct6013770672
92070212686
10808448442
1138539130a
121a68b8136
13cb650479
14795280d4
154ae9542c
hex302ff1ba

808448442 has 64 divisors (see below), whose sum is σ = 1774755840. Its totient is φ = 244555200.

The previous prime is 808448441. The next prime is 808448449. The reversal of 808448442 is 244844808.

It is a junction number, because it is equal to n+sod(n) for n = 808448394 and 808448403.

It is not an unprimeable number, because it can be changed into a prime (808448441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 362892 + ... + 365112.

It is an arithmetic number, because the mean of its divisors is an integer number (27730560).

Almost surely, 2808448442 is an apocalyptic number.

808448442 is an abundant number, since it is smaller than the sum of its proper divisors (966307398).

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

808448442 is a wasteful number, since it uses less digits than its factorization.

808448442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379.

The product of its (nonzero) digits is 262144, while the sum is 42.

The square root of 808448442 is about 28433.2277801870. The cubic root of 808448442 is about 931.5741798134.

The spelling of 808448442 in words is "eight hundred eight million, four hundred forty-eight thousand, four hundred forty-two".

Divisors: 1 2 3 6 19 31 38 57 62 93 103 114 186 206 309 589 618 1178 1767 1957 2221 3193 3534 3914 4442 5871 6386 6663 9579 11742 13326 19158 42199 60667 68851 84398 121334 126597 137702 182001 206553 228763 253194 364002 413106 457526 686289 1308169 1372578 2616338 3924507 4346497 7091653 7849014 8692994 13039491 14183306 21274959 26078982 42549918 134741407 269482814 404224221 808448442