Base | Representation |
---|---|
bin | 111010000110… |
… | …0011000011011 |
3 | 2010022111110122 |
4 | 1310030120123 |
5 | 30244200134 |
6 | 3004503455 |
7 | 516620654 |
oct | 164143033 |
9 | 63274418 |
10 | 30459419 |
11 | 16214681 |
12 | a24ab8b |
13 | 6406133 |
14 | 408c52b |
15 | 2a1a02e |
hex | 1d0c61b |
30459419 has 2 divisors, whose sum is σ = 30459420. Its totient is φ = 30459418.
The previous prime is 30459397. The next prime is 30459421. The reversal of 30459419 is 91495403.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30459419 - 212 = 30455323 is a prime.
It is a super-2 number, since 2×304594192 = 1855552411635122, which contains 22 as substring.
It is a Sophie Germain prime.
Together with 30459421, it forms a pair of twin primes.
It is a Chen prime.
It is equal to p1884572 and since 30459419 and 1884572 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (30459719) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15229709 + 15229710.
It is an arithmetic number, because the mean of its divisors is an integer number (15229710).
Almost surely, 230459419 is an apocalyptic number.
30459419 is a deficient number, since it is larger than the sum of its proper divisors (1).
30459419 is an equidigital number, since it uses as much as digits as its factorization.
30459419 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 19440, while the sum is 35.
The square root of 30459419 is about 5519.0052545726. The cubic root of 30459419 is about 312.3013572782.
The spelling of 30459419 in words is "thirty million, four hundred fifty-nine thousand, four hundred nineteen".
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