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148418513 is a prime number
BaseRepresentation
bin10001101100010…
…10111111010001
3101100021102220222
420312022333101
5300443343023
622421042425
73451352015
oct1066127721
9340242828
10148418513
1176862031
1241856415
1324997109
14159d6545
15d06acc8
hex8d8afd1

148418513 has 2 divisors, whose sum is σ = 148418514. Its totient is φ = 148418512.

The previous prime is 148418477. The next prime is 148418531. The reversal of 148418513 is 315814841.

Together with next prime (148418531) 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., 106337344 + 42081169 = 10312^2 + 6487^2 .

It is a cyclic number.

It is not a de Polignac number, because 148418513 - 224 = 131641297 is a prime.

It is a super-2 number, since 2×1484185132 = 44056110002262338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (148418533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74209256 + 74209257.

It is an arithmetic number, because the mean of its divisors is an integer number (74209257).

Almost surely, 2148418513 is an apocalyptic number.

It is an amenable number.

148418513 is a deficient number, since it is larger than the sum of its proper divisors (1).

148418513 is an equidigital number, since it uses as much as digits as its factorization.

148418513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15360, while the sum is 35.

The square root of 148418513 is about 12182.7136960531. The cubic root of 148418513 is about 529.4553714672.

The spelling of 148418513 in words is "one hundred forty-eight million, four hundred eighteen thousand, five hundred thirteen".