Base | Representation |
---|---|
bin | 111010000111… |
… | …1000010100011 |
3 | 2010100001101220 |
4 | 1310033002203 |
5 | 30300022212 |
6 | 3005030123 |
7 | 516664500 |
oct | 164170243 |
9 | 63301356 |
10 | 30470307 |
11 | 1622187a |
12 | a255343 |
13 | 640b08a |
14 | 40924a7 |
15 | 2a1d38c |
hex | 1d0f0a3 |
30470307 has 48 divisors (see below), whose sum is σ = 50971680. Its totient is φ = 16084992.
The previous prime is 30470291. The next prime is 30470309. The reversal of 30470307 is 70307403.
It is not a de Polignac number, because 30470307 - 24 = 30470291 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30470309) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 222343 + ... + 222479.
It is an arithmetic number, because the mean of its divisors is an integer number (1061910).
Almost surely, 230470307 is an apocalyptic number.
30470307 is a deficient number, since it is larger than the sum of its proper divisors (20501373).
30470307 is a wasteful number, since it uses less digits than its factorization.
30470307 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 260 (or 253 counting only the distinct ones).
The product of its (nonzero) digits is 1764, while the sum is 24.
The square root of 30470307 is about 5519.9915760805. The cubic root of 30470307 is about 312.3385645112.
The spelling of 30470307 in words is "thirty million, four hundred seventy thousand, three hundred seven".
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