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148000729 is a prime number
BaseRepresentation
bin10001101001001…
…00111111011001
3101022111012211111
420310210333121
5300342010404
622404100321
73444662002
oct1064447731
9338435744
10148000729
11765a7158
12416946a1
132487bbc6
14159281a9
15ced7104
hex8d24fd9

148000729 has 2 divisors, whose sum is σ = 148000730. Its totient is φ = 148000728.

The previous prime is 148000663. The next prime is 148000739. The reversal of 148000729 is 927000841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126517504 + 21483225 = 11248^2 + 4635^2 .

It is a cyclic number.

It is not a de Polignac number, because 148000729 - 29 = 148000217 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 148000729.

It is not a weakly prime, because it can be changed into another prime (148000739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74000364 + 74000365.

It is an arithmetic number, because the mean of its divisors is an integer number (74000365).

Almost surely, 2148000729 is an apocalyptic number.

It is an amenable number.

148000729 is a deficient number, since it is larger than the sum of its proper divisors (1).

148000729 is an equidigital number, since it uses as much as digits as its factorization.

148000729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 148000729 is about 12165.5550222750. Note that the first 3 decimals coincide. The cubic root of 148000729 is about 528.9581157586.

The spelling of 148000729 in words is "one hundred forty-eight million, seven hundred twenty-nine", and thus it is an aban number.