Base | Representation |
---|---|
bin | 111010010001… |
… | …0100100100001 |
3 | 2010111010010210 |
4 | 1310202210201 |
5 | 30310102210 |
6 | 3010444333 |
7 | 520446642 |
oct | 164424441 |
9 | 63433123 |
10 | 30550305 |
11 | 16276995 |
12 | a2936a9 |
13 | 6438606 |
14 | 40b36c9 |
15 | 2a36e20 |
hex | 1d22921 |
30550305 has 8 divisors (see below), whose sum is σ = 48880512. Its totient is φ = 16293488.
The previous prime is 30550301. The next prime is 30550349. The reversal of 30550305 is 50305503.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30550305 - 22 = 30550301 is a prime.
It is a super-2 number, since 2×305503052 = 1866642271186050, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30550301) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018329 + ... + 1018358.
It is an arithmetic number, because the mean of its divisors is an integer number (6110064).
Almost surely, 230550305 is an apocalyptic number.
It is an amenable number.
30550305 is a deficient number, since it is larger than the sum of its proper divisors (18330207).
30550305 is a wasteful number, since it uses less digits than its factorization.
30550305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2036695.
The product of its (nonzero) digits is 1125, while the sum is 21.
The square root of 30550305 is about 5527.2330329017. The cubic root of 30550305 is about 312.6116678255.
Adding to 30550305 its reverse (50305503), we get a palindrome (80855808).
The spelling of 30550305 in words is "thirty million, five hundred fifty thousand, three hundred five".
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