Base | Representation |
---|---|
bin | 111001110100… |
… | …1001100101001 |
3 | 2010001011210002 |
4 | 1303221030221 |
5 | 30230042210 |
6 | 3001432345 |
7 | 515450546 |
oct | 163511451 |
9 | 63034702 |
10 | 30315305 |
11 | 16126379 |
12 | a19b6b5 |
13 | 6385667 |
14 | 4051bcd |
15 | 29dc4a5 |
hex | 1ce9329 |
30315305 has 8 divisors (see below), whose sum is σ = 36459072. Its totient is φ = 24198448.
The previous prime is 30315293. The next prime is 30315319. The reversal of 30315305 is 50351303.
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 30315305 - 212 = 30311209 is a prime.
It is a Duffinian 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, 4157 + ... + 8826.
It is an arithmetic number, because the mean of its divisors is an integer number (4557384).
Almost surely, 230315305 is an apocalyptic number.
It is an amenable number.
30315305 is a deficient number, since it is larger than the sum of its proper divisors (6143767).
30315305 is a wasteful number, since it uses less digits than its factorization.
30315305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13455.
The product of its (nonzero) digits is 675, while the sum is 20.
The square root of 30315305 is about 5505.9336174712. The cubic root of 30315305 is about 311.8080433581.
Adding to 30315305 its reverse (50351303), we get a palindrome (80666608).
The spelling of 30315305 in words is "thirty million, three hundred fifteen thousand, three hundred five".
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