Base | Representation |
---|---|
bin | 111001110101… |
… | …1111001110010 |
3 | 2010001201222111 |
4 | 1303223321302 |
5 | 30230421021 |
6 | 3001555534 |
7 | 515525056 |
oct | 163537162 |
9 | 63051874 |
10 | 30326386 |
11 | 16133732 |
12 | a1a5baa |
13 | 638a70c |
14 | 4055c66 |
15 | 29e08e1 |
hex | 1cebe72 |
30326386 has 4 divisors (see below), whose sum is σ = 45489582. Its totient is φ = 15163192.
The previous prime is 30326357. The next prime is 30326389. The reversal of 30326386 is 68362303.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 15848361 + 14478025 = 3981^2 + 3805^2 .
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (30326389) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7581595 + ... + 7581598.
Almost surely, 230326386 is an apocalyptic number.
30326386 is a deficient number, since it is larger than the sum of its proper divisors (15163196).
30326386 is a wasteful number, since it uses less digits than its factorization.
30326386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15163195.
The product of its (nonzero) digits is 15552, while the sum is 31.
The square root of 30326386 is about 5506.9398035570. The cubic root of 30326386 is about 311.8460299354.
Adding to 30326386 its reverse (68362303), we get a palindrome (98688689).
The spelling of 30326386 in words is "thirty million, three hundred twenty-six thousand, three hundred eighty-six".
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