Base | Representation |
---|---|
bin | 111001001111… |
… | …1110110111101 |
3 | 2002110220201022 |
4 | 1302133312331 |
5 | 30140434114 |
6 | 2551153525 |
7 | 513060011 |
oct | 162376675 |
9 | 62426638 |
10 | 30014909 |
11 | 15a40711 |
12 | a0758a5 |
13 | 62aba02 |
14 | 3db4541 |
15 | 297d48e |
hex | 1c9fdbd |
30014909 has 2 divisors, whose sum is σ = 30014910. Its totient is φ = 30014908.
The previous prime is 30014879. The next prime is 30014917. The reversal of 30014909 is 90941003.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 28922884 + 1092025 = 5378^2 + 1045^2 .
It is a cyclic number.
It is not a de Polignac number, because 30014909 - 28 = 30014653 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30014969) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15007454 + 15007455.
It is an arithmetic number, because the mean of its divisors is an integer number (15007455).
Almost surely, 230014909 is an apocalyptic number.
It is an amenable number.
30014909 is a deficient number, since it is larger than the sum of its proper divisors (1).
30014909 is an equidigital number, since it uses as much as digits as its factorization.
30014909 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 972, while the sum is 26.
The square root of 30014909 is about 5478.5864052692. The cubic root of 30014909 is about 310.7747151036.
The spelling of 30014909 in words is "thirty million, fourteen thousand, nine hundred nine".
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