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1215000341 is a prime number
BaseRepresentation
bin100100001101011…
…0110111100010101
310010200020102010122
41020122312330111
54442020002331
6320321401325
742052222022
oct11032667425
93120212118
101215000341
11573921815
1229aa99245
13164947019
14b7516549
1571a0017b
hex486b6f15

1215000341 has 2 divisors, whose sum is σ = 1215000342. Its totient is φ = 1215000340.

The previous prime is 1215000331. The next prime is 1215000343. The reversal of 1215000341 is 1430005121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1094220241 + 120780100 = 33079^2 + 10990^2 .

It is an emirp because it is prime and its reverse (1430005121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1215000341 - 230 = 141258517 is a prime.

Together with 1215000343, 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 (1215000343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607500170 + 607500171.

It is an arithmetic number, because the mean of its divisors is an integer number (607500171).

Almost surely, 21215000341 is an apocalyptic number.

It is an amenable number.

1215000341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1215000341 is an equidigital number, since it uses as much as digits as its factorization.

1215000341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1215000341 is about 34856.8550073009. The cubic root of 1215000341 is about 1067.0680911742.

Adding to 1215000341 its reverse (1430005121), we get a palindrome (2645005462).

The spelling of 1215000341 in words is "one billion, two hundred fifteen million, three hundred forty-one", and thus it is an aban number.