Base | Representation |
---|---|
bin | 111001011101… |
… | …1010000010110 |
3 | 2002200121122111 |
4 | 1302323100112 |
5 | 30203032001 |
6 | 2553421234 |
7 | 514035121 |
oct | 162732026 |
9 | 62617574 |
10 | 30127126 |
11 | 16007a57 |
12 | a10a81a |
13 | 631ab03 |
14 | 40033b8 |
15 | 29a1851 |
hex | 1cbb416 |
30127126 has 8 divisors (see below), whose sum is σ = 45325800. Its totient is φ = 15018528.
The previous prime is 30127121. The next prime is 30127151. The reversal of 30127126 is 62172103.
30127126 = T243 + T244 + ... + T579.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 30127097 and 30127106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30127121) 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, 21676 + ... + 23023.
It is an arithmetic number, because the mean of its divisors is an integer number (5665725).
Almost surely, 230127126 is an apocalyptic number.
30127126 is a deficient number, since it is larger than the sum of its proper divisors (15198674).
30127126 is a wasteful number, since it uses less digits than its factorization.
30127126 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45038.
The product of its (nonzero) digits is 504, while the sum is 22.
The square root of 30127126 is about 5488.8182699011. The cubic root of 30127126 is about 311.1615321435.
Adding to 30127126 its reverse (62172103), we get a palindrome (92299229).
The spelling of 30127126 in words is "thirty million, one hundred twenty-seven thousand, one hundred twenty-six".
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