Base | Representation |
---|---|
bin | 111001111101… |
… | …0100011111010 |
3 | 2010011210100012 |
4 | 1303322203322 |
5 | 30234331201 |
6 | 3003141522 |
7 | 516165110 |
oct | 163724372 |
9 | 63153305 |
10 | 30386426 |
11 | 16174854 |
12 | a2148a2 |
13 | 63abb45 |
14 | 406dab0 |
15 | 2a035bb |
hex | 1cfa8fa |
30386426 has 16 divisors (see below), whose sum is σ = 52329984. Its totient is φ = 12963024.
The previous prime is 30386413. The next prime is 30386431. The reversal of 30386426 is 62468303.
It is a junction number, because it is equal to n+sod(n) for n = 30386392 and 30386401.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1745 + ... + 7988.
It is an arithmetic number, because the mean of its divisors is an integer number (3270624).
Almost surely, 230386426 is an apocalyptic number.
30386426 is a deficient number, since it is larger than the sum of its proper divisors (21943558).
30386426 is a wasteful number, since it uses less digits than its factorization.
30386426 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9965.
The product of its (nonzero) digits is 20736, while the sum is 32.
The square root of 30386426 is about 5512.3884115690. The cubic root of 30386426 is about 312.0516912492.
The spelling of 30386426 in words is "thirty million, three hundred eighty-six thousand, four hundred twenty-six".
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