Base | Representation |
---|---|
bin | 111001010110… |
… | …1011000100011 |
3 | 2002120201201002 |
4 | 1302231120203 |
5 | 30144222212 |
6 | 2552302215 |
7 | 513410351 |
oct | 162553043 |
9 | 62521632 |
10 | 30070307 |
11 | 15a792a3 |
12 | a0a196b |
13 | 62caca7 |
14 | 3dca7d1 |
15 | 298eac2 |
hex | 1cad623 |
30070307 has 4 divisors (see below), whose sum is σ = 30883056. Its totient is φ = 29257560.
The previous prime is 30070301. The next prime is 30070349. The reversal of 30070307 is 70307003.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70307003 = 13 ⋅5408231.
It is a cyclic number.
It is not a de Polignac number, because 30070307 - 214 = 30053923 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30070301) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 406319 + ... + 406392.
It is an arithmetic number, because the mean of its divisors is an integer number (7720764).
Almost surely, 230070307 is an apocalyptic number.
30070307 is a gapful number since it is divisible by the number (37) formed by its first and last digit.
30070307 is a deficient number, since it is larger than the sum of its proper divisors (812749).
30070307 is an equidigital number, since it uses as much as digits as its factorization.
30070307 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 812748.
The product of its (nonzero) digits is 441, while the sum is 20.
The square root of 30070307 is about 5483.6399407693. The cubic root of 30070307 is about 310.9657947720.
It can be divided in two parts, 300 and 70307, that added together give a palindrome (70607).
The spelling of 30070307 in words is "thirty million, seventy thousand, three hundred seven".
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