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8421083 = 111993847
BaseRepresentation
bin100000000111…
…111011011011
3120211211112222
4200013323123
54123433313
6500254255
7131402156
oct40077333
916754488
108421083
114831980
1229a138b
13198acb8
141192c9d
15b15208
hex807edb

8421083 has 8 divisors (see below), whose sum is σ = 9235200. Its totient is φ = 7615080.

The previous prime is 8421079. The next prime is 8421143. The reversal of 8421083 is 3801248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8421083 - 22 = 8421079 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8421983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266 + ... + 4112.

It is an arithmetic number, because the mean of its divisors is an integer number (1154400).

Almost surely, 28421083 is an apocalyptic number.

8421083 is a deficient number, since it is larger than the sum of its proper divisors (814117).

8421083 is a wasteful number, since it uses less digits than its factorization.

8421083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 8421083 is about 2901.9102329328. The cubic root of 8421083 is about 203.4491982005.

The spelling of 8421083 in words is "eight million, four hundred twenty-one thousand, eighty-three".

Divisors: 1 11 199 2189 3847 42317 765553 8421083