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30127126 = 233744699
BaseRepresentation
bin111001011101…
…1010000010110
32002200121122111
41302323100112
530203032001
62553421234
7514035121
oct162732026
962617574
1030127126
1116007a57
12a10a81a
13631ab03
1440033b8
1529a1851
hex1cbb416

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".

Divisors: 1 2 337 674 44699 89398 15063563 30127126