Base | Representation |
---|---|
bin | 111010000000… |
… | …1001010000011 |
3 | 2010020011101211 |
4 | 1310001022003 |
5 | 30241212233 |
6 | 3003510551 |
7 | 516336634 |
oct | 164011203 |
9 | 63204354 |
10 | 30413443 |
11 | 16193085 |
12 | a228457 |
13 | 63bb228 |
14 | 407988b |
15 | 2a0b5cd |
hex | 1d01283 |
30413443 has 2 divisors, whose sum is σ = 30413444. Its totient is φ = 30413442.
The previous prime is 30413437. The next prime is 30413447. The reversal of 30413443 is 34431403.
It is a strong prime.
It is an emirp because it is prime and its reverse (34431403) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30413443 is a prime.
It is a super-2 number, since 2×304134432 = 1849955030228498, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (30413447) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15206721 + 15206722.
It is an arithmetic number, because the mean of its divisors is an integer number (15206722).
Almost surely, 230413443 is an apocalyptic number.
30413443 is a deficient number, since it is larger than the sum of its proper divisors (1).
30413443 is an equidigital number, since it uses as much as digits as its factorization.
30413443 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1728, while the sum is 22.
The square root of 30413443 is about 5514.8384382500. The cubic root of 30413443 is about 312.1441470402.
Adding to 30413443 its reverse (34431403), we get a palindrome (64844846).
The spelling of 30413443 in words is "thirty million, four hundred thirteen thousand, four hundred forty-three".
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