Base | Representation |
---|---|
bin | 111010101010… |
… | …0001000011001 |
3 | 2010212102121022 |
4 | 1311110020121 |
5 | 30333101210 |
6 | 3015052225 |
7 | 522253532 |
oct | 165241031 |
9 | 63772538 |
10 | 30753305 |
11 | 163a5460 |
12 | a371075 |
13 | 64a9b2b |
14 | 4127689 |
15 | 2a77155 |
hex | 1d54219 |
30753305 has 16 divisors (see below), whose sum is σ = 42379200. Its totient is φ = 21188160.
The previous prime is 30753301. The next prime is 30753313. The reversal of 30753305 is 50335703.
It is not a de Polignac number, because 30753305 - 22 = 30753301 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30753301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13670 + ... + 15759.
It is an arithmetic number, because the mean of its divisors is an integer number (2648700).
Almost surely, 230753305 is an apocalyptic number.
It is an amenable number.
30753305 is a deficient number, since it is larger than the sum of its proper divisors (11625895).
30753305 is a wasteful number, since it uses less digits than its factorization.
30753305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29464.
The product of its (nonzero) digits is 4725, while the sum is 26.
The square root of 30753305 is about 5545.5662470121. The cubic root of 30753305 is about 313.3025515508.
The spelling of 30753305 in words is "thirty million, seven hundred fifty-three thousand, three hundred five".
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