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19302629 is a prime number
BaseRepresentation
bin100100110100…
…0100011100101
31100022200020012
41021220203211
514420141004
61525420005
7323032613
oct111504345
940280205
1019302629
11a994395
12656a605
133ccab98
1427c66b3
151a6446e
hex12688e5

19302629 has 2 divisors, whose sum is σ = 19302630. Its totient is φ = 19302628.

The previous prime is 19302607. The next prime is 19302631. The reversal of 19302629 is 92620391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11546404 + 7756225 = 3398^2 + 2785^2 .

It is an emirp because it is prime and its reverse (92620391) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19302629 - 216 = 19237093 is a prime.

Together with 19302631, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 19302595 and 19302604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19302659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9651314 + 9651315.

It is an arithmetic number, because the mean of its divisors is an integer number (9651315).

Almost surely, 219302629 is an apocalyptic number.

It is an amenable number.

19302629 is a deficient number, since it is larger than the sum of its proper divisors (1).

19302629 is an equidigital number, since it uses as much as digits as its factorization.

19302629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 19302629 is about 4393.4757311268. The cubic root of 19302629 is about 268.2494382567.

The spelling of 19302629 in words is "nineteen million, three hundred two thousand, six hundred twenty-nine".