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30450419 is a prime number
BaseRepresentation
bin111010000101…
…0001011110011
32010022001010022
41310022023303
530243403134
63004354055
7516552506
oct164121363
963261108
1030450419
111620893a
12a24592b
136401ccc
14408913d
152a1752e
hex1d0a2f3

30450419 has 2 divisors, whose sum is σ = 30450420. Its totient is φ = 30450418.

The previous prime is 30450397. The next prime is 30450421. The reversal of 30450419 is 91405403.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30450419 - 216 = 30384883 is a prime.

It is a super-2 number, since 2×304504192 = 1854456034551122, which contains 22 as substring.

Together with 30450421, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p1884050 and since 30450419 and 1884050 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 (30450479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15225209 + 15225210.

It is an arithmetic number, because the mean of its divisors is an integer number (15225210).

Almost surely, 230450419 is an apocalyptic number.

30450419 is a deficient number, since it is larger than the sum of its proper divisors (1).

30450419 is an equidigital number, since it uses as much as digits as its factorization.

30450419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 30450419 is about 5518.1898300077. The cubic root of 30450419 is about 312.2705951561.

The spelling of 30450419 in words is "thirty million, four hundred fifty thousand, four hundred nineteen".