Search a number
-
+
104143397 is a prime number
BaseRepresentation
bin1100011010100…
…01101000100101
321020222000212212
412031101220211
5203130042042
614200053205
72403130031
oct615215045
9236860785
10104143397
1153871526
122aa64205
1318764717
14db8d1c1
159222482
hex6351a25

104143397 has 2 divisors, whose sum is σ = 104143398. Its totient is φ = 104143396.

The previous prime is 104143381. The next prime is 104143441. The reversal of 104143397 is 793341401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101324356 + 2819041 = 10066^2 + 1679^2 .

It is an emirp because it is prime and its reverse (793341401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104143397 - 24 = 104143381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104143327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52071698 + 52071699.

It is an arithmetic number, because the mean of its divisors is an integer number (52071699).

Almost surely, 2104143397 is an apocalyptic number.

It is an amenable number.

104143397 is a deficient number, since it is larger than the sum of its proper divisors (1).

104143397 is an equidigital number, since it uses as much as digits as its factorization.

104143397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 104143397 is about 10205.0672217286. The cubic root of 104143397 is about 470.4829756798.

Adding to 104143397 its reverse (793341401), we get a palindrome (897484798).

The spelling of 104143397 in words is "one hundred four million, one hundred forty-three thousand, three hundred ninety-seven".