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148882609 is a prime number
BaseRepresentation
bin10001101111111…
…00010010110001
3101101011000112201
420313330102301
5301103220414
622435023201
73455324041
oct1067742261
9341130481
10148882609
1177049787
1241a3ab01
1324aca425
1415ab7721
15d10d574
hex8dfc4b1

148882609 has 2 divisors, whose sum is σ = 148882610. Its totient is φ = 148882608.

The previous prime is 148882579. The next prime is 148882633. The reversal of 148882609 is 906288841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121550625 + 27331984 = 11025^2 + 5228^2 .

It is a cyclic number.

It is not a de Polignac number, because 148882609 - 219 = 148358321 is a prime.

It is not a weakly prime, because it can be changed into another prime (148882009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74441304 + 74441305.

It is an arithmetic number, because the mean of its divisors is an integer number (74441305).

Almost surely, 2148882609 is an apocalyptic number.

It is an amenable number.

148882609 is a deficient number, since it is larger than the sum of its proper divisors (1).

148882609 is an equidigital number, since it uses as much as digits as its factorization.

148882609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 221184, while the sum is 46.

The square root of 148882609 is about 12201.7461455318. The cubic root of 148882609 is about 530.0066559031.

The spelling of 148882609 in words is "one hundred forty-eight million, eight hundred eighty-two thousand, six hundred nine".