Base | Representation |
---|---|
bin | 111010000010… |
… | …1001110101110 |
3 | 2010021000021201 |
4 | 1310011032232 |
5 | 30242231001 |
6 | 3004120114 |
7 | 516436366 |
oct | 164051656 |
9 | 63230251 |
10 | 30430126 |
11 | 161a4671 |
12 | a23603a |
13 | 63c59bc |
14 | 40819a6 |
15 | 2a11501 |
hex | 1d053ae |
30430126 has 4 divisors (see below), whose sum is σ = 45645192. Its totient is φ = 15215062.
The previous prime is 30430097. The next prime is 30430129. The reversal of 30430126 is 62103403.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62103403 = 47 ⋅1321349.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30430129) 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 as a sum of consecutive naturals, namely, 7607530 + ... + 7607533.
It is an arithmetic number, because the mean of its divisors is an integer number (11411298).
Almost surely, 230430126 is an apocalyptic number.
30430126 is a deficient number, since it is larger than the sum of its proper divisors (15215066).
30430126 is a wasteful number, since it uses less digits than its factorization.
30430126 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15215065.
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 30430126 is about 5516.3507865255. The cubic root of 30430126 is about 312.2012111584.
Adding to 30430126 its reverse (62103403), we get a palindrome (92533529).
The spelling of 30430126 in words is "thirty million, four hundred thirty thousand, one hundred twenty-six".
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