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808000933 = 839734951
BaseRepresentation
bin110000001010010…
…001110110100101
32002022101200220111
4300022101312211
53123322012213
6212102133021
726010615565
oct6012216645
92068350814
10808000933
11385106073
121a6721171
13cb52487c
147944cda5
154ae07a3d
hex30291da5

808000933 has 4 divisors (see below), whose sum is σ = 817735968. Its totient is φ = 798265900.

The previous prime is 808000927. The next prime is 808000993. The reversal of 808000933 is 339000808.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 808000933 - 25 = 808000901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 808000895 and 808000904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808000903) 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 3 ways as a sum of consecutive naturals, for example, 4867393 + ... + 4867558.

It is an arithmetic number, because the mean of its divisors is an integer number (204433992).

Almost surely, 2808000933 is an apocalyptic number.

808000933 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

It is an amenable number.

808000933 is a deficient number, since it is larger than the sum of its proper divisors (9735035).

808000933 is an equidigital number, since it uses as much as digits as its factorization.

808000933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9735034.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 808000933 is about 28425.3572185118. The cubic root of 808000933 is about 931.4022600581.

The spelling of 808000933 in words is "eight hundred eight million, nine hundred thirty-three", and thus it is an aban number.

Divisors: 1 83 9734951 808000933