Search a number
-
+
39252197 is a prime number
BaseRepresentation
bin1001010110111…
…1000011100101
32201212012220002
42111233003211
540022032242
63521151045
7654431615
oct225570345
981765802
1039252197
112017a836
121118b485
13819436a
1452daa45
1536a5432
hex256f0e5

39252197 has 2 divisors, whose sum is σ = 39252198. Its totient is φ = 39252196.

The previous prime is 39252179. The next prime is 39252209. The reversal of 39252197 is 79125293.

Together with previous prime (39252179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38613796 + 638401 = 6214^2 + 799^2 .

It is a cyclic number.

It is not a de Polignac number, because 39252197 - 28 = 39251941 is a prime.

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 39252197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39252127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19626098 + 19626099.

It is an arithmetic number, because the mean of its divisors is an integer number (19626099).

Almost surely, 239252197 is an apocalyptic number.

It is an amenable number.

39252197 is a deficient number, since it is larger than the sum of its proper divisors (1).

39252197 is an equidigital number, since it uses as much as digits as its factorization.

39252197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 38.

The square root of 39252197 is about 6265.1573803058. The cubic root of 39252197 is about 339.8505600473.

The spelling of 39252197 in words is "thirty-nine million, two hundred fifty-two thousand, one hundred ninety-seven".