Base | Representation |
---|---|
bin | 111010011011… |
… | …1100100111001 |
3 | 2010122111011110 |
4 | 1310313210321 |
5 | 30320330340 |
6 | 3012350533 |
7 | 521255535 |
oct | 164674471 |
9 | 63574143 |
10 | 30636345 |
11 | 163255a3 |
12 | a315449 |
13 | 646881c |
14 | 40d6bc5 |
15 | 2a52680 |
hex | 1d37939 |
30636345 has 16 divisors (see below), whose sum is σ = 51149952. Its totient is φ = 15628800.
The previous prime is 30636343. The next prime is 30636427. The reversal of 30636345 is 54363603.
It is not a de Polignac number, because 30636345 - 21 = 30636343 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30636343) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44056 + ... + 44745.
It is an arithmetic number, because the mean of its divisors is an integer number (3196872).
Almost surely, 230636345 is an apocalyptic number.
It is an amenable number.
30636345 is a deficient number, since it is larger than the sum of its proper divisors (20513607).
30636345 is a wasteful number, since it uses less digits than its factorization.
30636345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 88832.
The product of its (nonzero) digits is 19440, while the sum is 30.
The square root of 30636345 is about 5535.0108400978. The cubic root of 30636345 is about 312.9048661736.
Adding to 30636345 its reverse (54363603), we get a palindrome (84999948).
The spelling of 30636345 in words is "thirty million, six hundred thirty-six thousand, three hundred forty-five".
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