Base | Representation |
---|---|
bin | 111001111101… |
… | …0011010011110 |
3 | 2010011202111211 |
4 | 1303322122132 |
5 | 30234321242 |
6 | 3003135034 |
7 | 516163255 |
oct | 163723236 |
9 | 63152454 |
10 | 30385822 |
11 | 16174355 |
12 | a21447a |
13 | 63ab79c |
14 | 406d79c |
15 | 2a03317 |
hex | 1cfa69e |
30385822 has 8 divisors (see below), whose sum is σ = 45677736. Its totient is φ = 15159912.
The previous prime is 30385819. The next prime is 30385841. The reversal of 30385822 is 22858303.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15333 + ... + 17200.
It is an arithmetic number, because the mean of its divisors is an integer number (5709717).
Almost surely, 230385822 is an apocalyptic number.
30385822 is a deficient number, since it is larger than the sum of its proper divisors (15291914).
30385822 is a wasteful number, since it uses less digits than its factorization.
30385822 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33002.
The product of its (nonzero) digits is 11520, while the sum is 31.
The square root of 30385822 is about 5512.3336256072. Note that the first 3 decimals coincide. The cubic root of 30385822 is about 312.0496236542.
The spelling of 30385822 in words is "thirty million, three hundred eighty-five thousand, eight hundred twenty-two".
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