Base | Representation |
---|---|
bin | 111001111010… |
… | …1101011100111 |
3 | 2010010202220221 |
4 | 1303311223213 |
5 | 30233211224 |
6 | 3002505211 |
7 | 516052615 |
oct | 163655347 |
9 | 63122827 |
10 | 30366439 |
11 | 16160834 |
12 | a205207 |
13 | 63a2a0c |
14 | 40666b5 |
15 | 29ec6e4 |
hex | 1cf5ae7 |
30366439 has 2 divisors, whose sum is σ = 30366440. Its totient is φ = 30366438.
The previous prime is 30366421. The next prime is 30366473. The reversal of 30366439 is 93466303.
It is an a-pointer prime, because the next prime (30366473) can be obtained adding 30366439 to its sum of digits (34).
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30366439 - 25 = 30366407 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30366409) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15183219 + 15183220.
It is an arithmetic number, because the mean of its divisors is an integer number (15183220).
Almost surely, 230366439 is an apocalyptic number.
30366439 is a deficient number, since it is larger than the sum of its proper divisors (1).
30366439 is an equidigital number, since it uses as much as digits as its factorization.
30366439 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 34992, while the sum is 34.
The square root of 30366439 is about 5510.5751968374. The cubic root of 30366439 is about 311.9832577856.
The spelling of 30366439 in words is "thirty million, three hundred sixty-six thousand, four hundred thirty-nine".
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