Base | Representation |
---|---|
bin | 111010110000… |
… | …0010100110111 |
3 | 2010221222010022 |
4 | 1311200110313 |
5 | 30341201010 |
6 | 3020115355 |
7 | 522552260 |
oct | 165402467 |
9 | 63858108 |
10 | 30803255 |
11 | 16429a3a |
12 | a395b5b |
13 | 64c67a2 |
14 | 413b967 |
15 | 2a86d55 |
hex | 1d60537 |
30803255 has 16 divisors (see below), whose sum is σ = 42341184. Its totient is φ = 21073920.
The previous prime is 30803239. The next prime is 30803263. The reversal of 30803255 is 55230803.
It is not a de Polignac number, because 30803255 - 24 = 30803239 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 (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21749 + ... + 23121.
It is an arithmetic number, because the mean of its divisors is an integer number (2646324).
Almost surely, 230803255 is an apocalyptic number.
30803255 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
30803255 is a deficient number, since it is larger than the sum of its proper divisors (11537929).
30803255 is a wasteful number, since it uses less digits than its factorization.
30803255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2026.
The product of its (nonzero) digits is 3600, while the sum is 26.
The square root of 30803255 is about 5550.0680176012. The cubic root of 30803255 is about 313.4720834368.
The spelling of 30803255 in words is "thirty million, eight hundred three thousand, two hundred fifty-five".
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