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148349393 is a prime number
BaseRepresentation
bin10001101011110…
…10000111010001
3101100010221002222
420311322013101
5300434140033
622415350425
73450643343
oct1065720721
9340127088
10148349393
1176815105
1241822415
132497180a
14159b9293
15d055598
hex8d7a1d1

148349393 has 2 divisors, whose sum is σ = 148349394. Its totient is φ = 148349392.

The previous prime is 148349381. The next prime is 148349407. The reversal of 148349393 is 393943841.

148349393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103083409 + 45265984 = 10153^2 + 6728^2 .

It is an emirp because it is prime and its reverse (393943841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148349393 - 26 = 148349329 is a prime.

It is equal to p8356769 and since 148349393 and 8356769 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (148349693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74174696 + 74174697.

It is an arithmetic number, because the mean of its divisors is an integer number (74174697).

Almost surely, 2148349393 is an apocalyptic number.

It is an amenable number.

148349393 is a deficient number, since it is larger than the sum of its proper divisors (1).

148349393 is an equidigital number, since it uses as much as digits as its factorization.

148349393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 44.

The square root of 148349393 is about 12179.8765593088. The cubic root of 148349393 is about 529.3731678008.

The spelling of 148349393 in words is "one hundred forty-eight million, three hundred forty-nine thousand, three hundred ninety-three".