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30204719 is a prime number
BaseRepresentation
bin111001100111…
…0001100101111
32002211120002022
41303032030233
530213022334
62555220355
7514510256
oct163161457
962746068
1030204719
1116060286
12a1476bb
13634721c
14402379d
1529b982e
hex1cce32f

30204719 has 2 divisors, whose sum is σ = 30204720. Its totient is φ = 30204718.

The previous prime is 30204703. The next prime is 30204721. The reversal of 30204719 is 91740203.

It is a strong prime.

It is an emirp because it is prime and its reverse (91740203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30204719 - 24 = 30204703 is a prime.

It is a super-2 number, since 2×302047192 = 1824650099737922, which contains 22 as substring.

Together with 30204721, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30204799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15102359 + 15102360.

It is an arithmetic number, because the mean of its divisors is an integer number (15102360).

Almost surely, 230204719 is an apocalyptic number.

30204719 is a deficient number, since it is larger than the sum of its proper divisors (1).

30204719 is an equidigital number, since it uses as much as digits as its factorization.

30204719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 30204719 is about 5495.8820038280. The cubic root of 30204719 is about 311.4284373309.

The spelling of 30204719 in words is "thirty million, two hundred four thousand, seven hundred nineteen".