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19107001 is a prime number
BaseRepresentation
bin100100011100…
…0110010111001
31022221201212201
41020320302321
514342411001
61521310201
7321256354
oct110706271
938851781
1019107001
11a870411
126495361
133c5cb24
14277529b
151a26501
hex1238cb9

19107001 has 2 divisors, whose sum is σ = 19107002. Its totient is φ = 19107000.

The previous prime is 19106999. The next prime is 19107013. The reversal of 19107001 is 10070191.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18498601 + 608400 = 4301^2 + 780^2 .

It is an emirp because it is prime and its reverse (10070191) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19107001 - 21 = 19106999 is a prime.

Together with 19106999, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19107001.

It is not a weakly prime, because it can be changed into another prime (19107071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9553500 + 9553501.

It is an arithmetic number, because the mean of its divisors is an integer number (9553501).

Almost surely, 219107001 is an apocalyptic number.

It is an amenable number.

19107001 is a deficient number, since it is larger than the sum of its proper divisors (1).

19107001 is an equidigital number, since it uses as much as digits as its factorization.

19107001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63, while the sum is 19.

The square root of 19107001 is about 4371.1555680392. The cubic root of 19107001 is about 267.3401426463.

Adding to 19107001 its reverse (10070191), we get a palindrome (29177192).

It can be divided in two parts, 1910 and 7001, that added together give a triangular number (8911 = T133).

The spelling of 19107001 in words is "nineteen million, one hundred seven thousand, one".