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83404868 = 22971032087
BaseRepresentation
bin1001111100010…
…10100001000100
312210221101222012
410332022201010
5132322423433
612135353352
72031633611
oct476124104
9183841865
1083404868
1143097348
1223b22858
13143830c1
14b111508
1574c7848
hex4f8a844

83404868 has 24 divisors (see below), whose sum is σ = 148966272. Its totient is φ = 40852224.

The previous prime is 83404843. The next prime is 83404879. The reversal of 83404868 is 86840438.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38921 + ... + 41007.

It is an arithmetic number, because the mean of its divisors is an integer number (6206928).

Almost surely, 283404868 is an apocalyptic number.

It is an amenable number.

83404868 is a deficient number, since it is larger than the sum of its proper divisors (65561404).

83404868 is a wasteful number, since it uses less digits than its factorization.

83404868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291 (or 2289 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 83404868 is about 9132.6265663280. The cubic root of 83404868 is about 436.9151791976.

The spelling of 83404868 in words is "eighty-three million, four hundred four thousand, eight hundred sixty-eight".

Divisors: 1 2 4 97 103 194 206 388 412 2087 4174 8348 9991 19982 39964 202439 214961 404878 429922 809756 859844 20851217 41702434 83404868