Base | Representation |
---|---|
bin | 101111111000111… |
… | …000000110010010 |
3 | 2001222210221002210 |
4 | 233320320012102 |
5 | 3121140021434 |
6 | 211420252550 |
7 | 25624055511 |
oct | 5770700622 |
9 | 2058727083 |
10 | 803438994 |
11 | 38257a676 |
12 | 1a50a1156 |
13 | ca5b82b7 |
14 | 789c2678 |
15 | 4a805ee9 |
hex | 2fe38192 |
803438994 has 32 divisors (see below), whose sum is σ = 1619593920. Its totient is φ = 265701312.
The previous prime is 803438983. The next prime is 803439001. The reversal of 803438994 is 499834308.
803438994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 915684 + ... + 916560.
It is an arithmetic number, because the mean of its divisors is an integer number (50612310).
Almost surely, 2803438994 is an apocalyptic number.
803438994 is an abundant number, since it is smaller than the sum of its proper divisors (816154926).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
803438994 is a wasteful number, since it uses less digits than its factorization.
803438994 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1914.
The product of its (nonzero) digits is 746496, while the sum is 48.
The square root of 803438994 is about 28344.9994531663. Note that the first 3 decimals coincide. The cubic root of 803438994 is about 929.6460648787.
The spelling of 803438994 in words is "eight hundred three million, four hundred thirty-eight thousand, nine hundred ninety-four".
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