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39148393 is a prime number
BaseRepresentation
bin1001010101010…
…1101101101001
32201122221111111
42111111231221
540010222033
63515030321
7653520154
oct225255551
981587444
1039148393
1120109849
121113b3a1
13815903b
1452b0c9b
1536847cd
hex2555b69

39148393 has 2 divisors, whose sum is σ = 39148394. Its totient is φ = 39148392.

The previous prime is 39148357. The next prime is 39148429. The reversal of 39148393 is 39384193.

It is a balanced prime because it is at equal distance from previous prime (39148357) and next prime (39148429).

It can be written as a sum of positive squares in only one way, i.e., 39037504 + 110889 = 6248^2 + 333^2 .

It is an emirp because it is prime and its reverse (39384193) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39148393 - 29 = 39147881 is a prime.

It is not a weakly prime, because it can be changed into another prime (39148793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19574196 + 19574197.

It is an arithmetic number, because the mean of its divisors is an integer number (19574197).

Almost surely, 239148393 is an apocalyptic number.

It is an amenable number.

39148393 is a deficient number, since it is larger than the sum of its proper divisors (1).

39148393 is an equidigital number, since it uses as much as digits as its factorization.

39148393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 40.

The square root of 39148393 is about 6256.8676668122. The cubic root of 39148393 is about 339.5507127869.

It can be divided in two parts, 391 and 48393, that added together give a palindrome (48784).

The spelling of 39148393 in words is "thirty-nine million, one hundred forty-eight thousand, three hundred ninety-three".