Base | Representation |
---|---|
bin | 111010101000… |
… | …0011011001110 |
3 | 2010211122210010 |
4 | 1311100123032 |
5 | 30332110001 |
6 | 3014454050 |
7 | 522161346 |
oct | 165203316 |
9 | 63748703 |
10 | 30738126 |
11 | 16395011 |
12 | a364326 |
13 | 64a2c53 |
14 | 4121d26 |
15 | 2a728d6 |
hex | 1d506ce |
30738126 has 16 divisors (see below), whose sum is σ = 62394624. Its totient is φ = 10092984.
The previous prime is 30738119. The next prime is 30738131. The reversal of 30738126 is 62183703.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 30738093 and 30738102.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 37830 + ... + 38633.
It is an arithmetic number, because the mean of its divisors is an integer number (3899664).
Almost surely, 230738126 is an apocalyptic number.
30738126 is an abundant number, since it is smaller than the sum of its proper divisors (31656498).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30738126 is a wasteful number, since it uses less digits than its factorization.
30738126 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76535.
The product of its (nonzero) digits is 6048, while the sum is 30.
The square root of 30738126 is about 5544.1975073044. The cubic root of 30738126 is about 313.2509971779.
The spelling of 30738126 in words is "thirty million, seven hundred thirty-eight thousand, one hundred twenty-six".
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