Base | Representation |
---|---|
bin | 111001110111… |
… | …0010110010001 |
3 | 2010002020201102 |
4 | 1303232112101 |
5 | 30231231101 |
6 | 3002114145 |
7 | 515566214 |
oct | 163562621 |
9 | 63066642 |
10 | 30336401 |
11 | 16140207 |
12 | a1ab955 |
13 | 6392144 |
14 | 405977b |
15 | 29e386b |
hex | 1cee591 |
30336401 has 2 divisors, whose sum is σ = 30336402. Its totient is φ = 30336400.
The previous prime is 30336389. The next prime is 30336409. The reversal of 30336401 is 10463303.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 30195025 + 141376 = 5495^2 + 376^2 .
It is an emirp because it is prime and its reverse (10463303) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30336401 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (30336409) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15168200 + 15168201.
It is an arithmetic number, because the mean of its divisors is an integer number (15168201).
Almost surely, 230336401 is an apocalyptic number.
It is an amenable number.
30336401 is a deficient number, since it is larger than the sum of its proper divisors (1).
30336401 is an equidigital number, since it uses as much as digits as its factorization.
30336401 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 648, while the sum is 20.
The square root of 30336401 is about 5507.8490356944. The cubic root of 30336401 is about 311.8803542172.
Adding to 30336401 its reverse (10463303), we get a palindrome (40799704).
The spelling of 30336401 in words is "thirty million, three hundred thirty-six thousand, four hundred one".
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