Base | Representation |
---|---|
bin | 111010010100… |
… | …0101010010111 |
3 | 2010112101100212 |
4 | 1310220222113 |
5 | 30311402010 |
6 | 3011200035 |
7 | 520612454 |
oct | 164505227 |
9 | 63471325 |
10 | 30575255 |
11 | 16293707 |
12 | a2a601b |
13 | 6446a89 |
14 | 40bc82b |
15 | 2a3e505 |
hex | 1d28a97 |
30575255 has 8 divisors (see below), whose sum is σ = 36720000. Its totient is φ = 24440416.
The previous prime is 30575243. The next prime is 30575261. The reversal of 30575255 is 55257503.
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 30575255 - 26 = 30575191 is a prime.
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 7 ways as a sum of consecutive naturals, for example, 10721 + ... + 13269.
It is an arithmetic number, because the mean of its divisors is an integer number (4590000).
Almost surely, 230575255 is an apocalyptic number.
30575255 is a deficient number, since it is larger than the sum of its proper divisors (6144745).
30575255 is a wasteful number, since it uses less digits than its factorization.
30575255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4953.
The product of its (nonzero) digits is 26250, while the sum is 32.
The square root of 30575255 is about 5529.4895786139. The cubic root of 30575255 is about 312.6967465046.
The spelling of 30575255 in words is "thirty million, five hundred seventy-five thousand, two hundred fifty-five".
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