Base | Representation |
---|---|
bin | 111001011111… |
… | …1011101110011 |
3 | 2002201111022012 |
4 | 1302333131303 |
5 | 30204104441 |
6 | 2554033135 |
7 | 514136315 |
oct | 162773563 |
9 | 62644265 |
10 | 30144371 |
11 | 16019a04 |
12 | a1187ab |
13 | 632590a |
14 | 40097b5 |
15 | 29a69eb |
hex | 1cbf773 |
30144371 has 2 divisors, whose sum is σ = 30144372. Its totient is φ = 30144370.
The previous prime is 30144341. The next prime is 30144391. The reversal of 30144371 is 17344103.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30144371 is a prime.
It is not a weakly prime, because it can be changed into another prime (30144341) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15072185 + 15072186.
It is an arithmetic number, because the mean of its divisors is an integer number (15072186).
Almost surely, 230144371 is an apocalyptic number.
30144371 is a deficient number, since it is larger than the sum of its proper divisors (1).
30144371 is an equidigital number, since it uses as much as digits as its factorization.
30144371 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1008, while the sum is 23.
The square root of 30144371 is about 5490.3889661845. The cubic root of 30144371 is about 311.2208912418.
Adding to 30144371 its reverse (17344103), we get a palindrome (47488474).
The spelling of 30144371 in words is "thirty million, one hundred forty-four thousand, three hundred seventy-one".
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