Base | Representation |
---|---|
bin | 111010010010… |
… | …1111110111101 |
3 | 2010111211022120 |
4 | 1310211332331 |
5 | 30311024120 |
6 | 3011033153 |
7 | 520535463 |
oct | 164457675 |
9 | 63454276 |
10 | 30564285 |
11 | 16286444 |
12 | a29b7b9 |
13 | 6441a9b |
14 | 40b8833 |
15 | 2a3b140 |
hex | 1d25fbd |
30564285 has 8 divisors (see below), whose sum is σ = 48902880. Its totient is φ = 16300944.
The previous prime is 30564269. The next prime is 30564299. The reversal of 30564285 is 58246503.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30564285 - 24 = 30564269 is a prime.
It is a super-2 number, since 2×305642852 = 1868351035122450, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018795 + ... + 1018824.
It is an arithmetic number, because the mean of its divisors is an integer number (6112860).
Almost surely, 230564285 is an apocalyptic number.
It is an amenable number.
30564285 is a deficient number, since it is larger than the sum of its proper divisors (18338595).
30564285 is a wasteful number, since it uses less digits than its factorization.
30564285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2037627.
The product of its (nonzero) digits is 28800, while the sum is 33.
The square root of 30564285 is about 5528.4975354973. The cubic root of 30564285 is about 312.6593448690.
The spelling of 30564285 in words is "thirty million, five hundred sixty-four thousand, two hundred eighty-five".
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