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148630190 = 2573972099
BaseRepresentation
bin10001101101111…
…10101010101110
3101100200012021212
420312332222232
5301022131230
622425354422
73453223112
oct1066765256
9340605255
10148630190
1176997075
1241938a12
1324a3c577
1415a4d742
15d0ad895
hex8dbeaae

148630190 has 32 divisors (see below), whose sum is σ = 274125600. Its totient is φ = 58005504.

The previous prime is 148630189. The next prime is 148630199. The reversal of 148630190 is 91036841.

It is a happy number.

It is a super-2 number, since 2×1486301902 = 44181866758872200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148630199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69761 + ... + 71859.

It is an arithmetic number, because the mean of its divisors is an integer number (8566425).

Almost surely, 2148630190 is an apocalyptic number.

148630190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

148630190 is a deficient number, since it is larger than the sum of its proper divisors (125495410).

148630190 is a wasteful number, since it uses less digits than its factorization.

148630190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 148630190 is about 12191.3981970896. The cubic root of 148630190 is about 529.7069579757.

The spelling of 148630190 in words is "one hundred forty-eight million, six hundred thirty thousand, one hundred ninety".

Divisors: 1 2 5 10 73 97 146 194 365 485 730 970 2099 4198 7081 10495 14162 20990 35405 70810 153227 203603 306454 407206 766135 1018015 1532270 2036030 14863019 29726038 74315095 148630190