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148999886 = 273217201
BaseRepresentation
bin10001110000110…
…00111011001110
3101101100222102022
420320120323032
5301120444021
622441330142
73456323000
oct1070307316
9341328368
10148999886
1177119902
1241a96952
1324b3b919
1415b08370
15d1331ab
hex8e18ece

148999886 has 16 divisors (see below), whose sum is σ = 260642400. Its totient is φ = 63856800.

The previous prime is 148999853. The next prime is 148999889. The reversal of 148999886 is 688999841.

148999886 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148999889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107915 + ... + 109286.

It is an arithmetic number, because the mean of its divisors is an integer number (16290150).

Almost surely, 2148999886 is an apocalyptic number.

148999886 is a deficient number, since it is larger than the sum of its proper divisors (111642514).

148999886 is an equidigital number, since it uses as much as digits as its factorization.

148999886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217224 (or 217210 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 62.

The square root of 148999886 is about 12206.5509461109. The cubic root of 148999886 is about 530.1457840331.

The spelling of 148999886 in words is "one hundred forty-eight million, nine hundred ninety-nine thousand, eight hundred eighty-six".

Divisors: 1 2 7 14 49 98 343 686 217201 434402 1520407 3040814 10642849 21285698 74499943 148999886