Base | Representation |
---|---|
bin | 101111111000101… |
… | …111010101001101 |
3 | 2001222202002211211 |
4 | 233320233111031 |
5 | 3121132344320 |
6 | 211415414421 |
7 | 25623546022 |
oct | 5770572515 |
9 | 2058662754 |
10 | 803403085 |
11 | 3825556a1 |
12 | 1a5084411 |
13 | ca5a4b54 |
14 | 789b3549 |
15 | 4a7ea55a |
hex | 2fe2f54d |
803403085 has 16 divisors (see below), whose sum is σ = 1021521456. Its totient is φ = 604484608.
The previous prime is 803403067. The next prime is 803403091. The reversal of 803403085 is 580304308.
It can be written as a sum of positive squares in 8 ways, for example, as 128754409 + 674648676 = 11347^2 + 25974^2 .
It is a cyclic number.
It is not a de Polignac number, because 803403085 - 227 = 669185357 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167379 + ... + 172111.
It is an arithmetic number, because the mean of its divisors is an integer number (63845091).
Almost surely, 2803403085 is an apocalyptic number.
803403085 is a gapful number since it is divisible by the number (85) formed by its first and last digit.
It is an amenable number.
803403085 is a deficient number, since it is larger than the sum of its proper divisors (218118371).
803403085 is a wasteful number, since it uses less digits than its factorization.
803403085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6752.
The product of its (nonzero) digits is 11520, while the sum is 31.
The square root of 803403085 is about 28344.3660186641. The cubic root of 803403085 is about 929.6322147677.
The spelling of 803403085 in words is "eight hundred three million, four hundred three thousand, eighty-five".
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