Base | Representation |
---|---|
bin | 111001101110… |
… | …0100001101111 |
3 | 2002221112120221 |
4 | 1303130201233 |
5 | 30221412112 |
6 | 3000352211 |
7 | 515143336 |
oct | 163344157 |
9 | 62845527 |
10 | 30263407 |
11 | 160a0389 |
12 | a175667 |
13 | 6367b55 |
14 | 403ad1d |
15 | 29cbe07 |
hex | 1cdc86f |
30263407 has 2 divisors, whose sum is σ = 30263408. Its totient is φ = 30263406.
The previous prime is 30263369. The next prime is 30263411. The reversal of 30263407 is 70436203.
It is a strong prime.
It is an emirp because it is prime and its reverse (70436203) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30263407 - 211 = 30261359 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30264407) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15131703 + 15131704.
It is an arithmetic number, because the mean of its divisors is an integer number (15131704).
Almost surely, 230263407 is an apocalyptic number.
30263407 is a deficient number, since it is larger than the sum of its proper divisors (1).
30263407 is an equidigital number, since it uses as much as digits as its factorization.
30263407 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3024, while the sum is 25.
The square root of 30263407 is about 5501.2186831647. The cubic root of 30263407 is about 311.6300094469.
The spelling of 30263407 in words is "thirty million, two hundred sixty-three thousand, four hundred seven".
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