Base | Representation |
---|---|
bin | 111001110100… |
… | …1110101000110 |
3 | 2010001022022222 |
4 | 1303221311012 |
5 | 30230133034 |
6 | 3001452342 |
7 | 515461235 |
oct | 163516506 |
9 | 63038288 |
10 | 30317894 |
11 | 16128312 |
12 | a1a10b2 |
13 | 63868a9 |
14 | 4052b1c |
15 | 29dd12e |
hex | 1ce9d46 |
30317894 has 8 divisors (see below), whose sum is σ = 45586128. Its totient is φ = 15122520.
The previous prime is 30317879. The next prime is 30317899. The reversal of 30317894 is 49871303.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30317899) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17162 + ... + 18845.
It is an arithmetic number, because the mean of its divisors is an integer number (5698266).
Almost surely, 230317894 is an apocalyptic number.
30317894 is a deficient number, since it is larger than the sum of its proper divisors (15268234).
30317894 is a wasteful number, since it uses less digits than its factorization.
30317894 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36430.
The product of its (nonzero) digits is 18144, while the sum is 35.
The square root of 30317894 is about 5506.1687224421. The cubic root of 30317894 is about 311.8169194912.
The spelling of 30317894 in words is "thirty million, three hundred seventeen thousand, eight hundred ninety-four".
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