Base | Representation |
---|---|
bin | 111001011110… |
… | …0111000101001 |
3 | 2002200221210201 |
4 | 1302330320221 |
5 | 30203240201 |
6 | 2553512201 |
7 | 514063435 |
oct | 162747051 |
9 | 62627721 |
10 | 30133801 |
11 | 16011a75 |
12 | a112661 |
13 | 6320b69 |
14 | 40059c5 |
15 | 29a3801 |
hex | 1cbce29 |
30133801 has 2 divisors, whose sum is σ = 30133802. Its totient is φ = 30133800.
The previous prime is 30133787. The next prime is 30133847. The reversal of 30133801 is 10833103.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 29419776 + 714025 = 5424^2 + 845^2 .
It is an emirp because it is prime and its reverse (10833103) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30133801 is a prime.
It is not a weakly prime, because it can be changed into another prime (30133861) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15066900 + 15066901.
It is an arithmetic number, because the mean of its divisors is an integer number (15066901).
Almost surely, 230133801 is an apocalyptic number.
It is an amenable number.
30133801 is a deficient number, since it is larger than the sum of its proper divisors (1).
30133801 is an equidigital number, since it uses as much as digits as its factorization.
30133801 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 216, while the sum is 19.
The square root of 30133801 is about 5489.4262906063. The cubic root of 30133801 is about 311.1845108798.
Adding to 30133801 its reverse (10833103), we get a palindrome (40966904).
The spelling of 30133801 in words is "thirty million, one hundred thirty-three thousand, eight hundred one".
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