Base | Representation |
---|---|
bin | 111001111000… |
… | …1001101110011 |
3 | 2010002211211110 |
4 | 1303301031303 |
5 | 30232120042 |
6 | 3002244403 |
7 | 515645364 |
oct | 163611563 |
9 | 63084743 |
10 | 30348147 |
11 | 16149015 |
12 | a1b6703 |
13 | 63975ab |
14 | 405db6b |
15 | 29e709c |
hex | 1cf1373 |
30348147 has 4 divisors (see below), whose sum is σ = 40464200. Its totient is φ = 20232096.
The previous prime is 30348139. The next prime is 30348161. The reversal of 30348147 is 74184303.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 30348147 - 23 = 30348139 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30348127) 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, 5058022 + ... + 5058027.
It is an arithmetic number, because the mean of its divisors is an integer number (10116050).
Almost surely, 230348147 is an apocalyptic number.
30348147 is a deficient number, since it is larger than the sum of its proper divisors (10116053).
30348147 is a wasteful number, since it uses less digits than its factorization.
30348147 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10116052.
The product of its (nonzero) digits is 8064, while the sum is 30.
The square root of 30348147 is about 5508.9152289720. The cubic root of 30348147 is about 311.9206015089.
It can be divided in two parts, 303 and 48147, that multiplied together give a palindrome (14588541).
The spelling of 30348147 in words is "thirty million, three hundred forty-eight thousand, one hundred forty-seven".
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