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19300429 is a prime number
BaseRepresentation
bin100100110100…
…0000001001101
31100022120012201
41021220001031
514420103204
61525401501
7323023321
oct111500115
940276181
1019300429
11a992775
126569291
133cc9b95
1427c5981
151a639a4
hex126804d

19300429 has 2 divisors, whose sum is σ = 19300430. Its totient is φ = 19300428.

The previous prime is 19300387. The next prime is 19300433. The reversal of 19300429 is 92400391.

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., 15602500 + 3697929 = 3950^2 + 1923^2 .

It is an emirp because it is prime and its reverse (92400391) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19300429 - 211 = 19298381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19300397 and 19300406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19300439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9650214 + 9650215.

It is an arithmetic number, because the mean of its divisors is an integer number (9650215).

Almost surely, 219300429 is an apocalyptic number.

It is an amenable number.

19300429 is a deficient number, since it is larger than the sum of its proper divisors (1).

19300429 is an equidigital number, since it uses as much as digits as its factorization.

19300429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 19300429 is about 4393.2253527448. The cubic root of 19300429 is about 268.2392467057.

The spelling of 19300429 in words is "nineteen million, three hundred thousand, four hundred twenty-nine".