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133420202 = 273979421
BaseRepresentation
bin1111111001111…
…01010010101010
3100022001110002222
413330331102222
5233123421302
621123354042
73210024116
oct774752252
9308043088
10133420202
1169348633
1238822922
1321845486
1413a10746
15baa6da2
hex7f3d4aa

133420202 has 16 divisors (see below), whose sum is σ = 204985032. Its totient is φ = 65111040.

The previous prime is 133420159. The next prime is 133420207. The reversal of 133420202 is 202024331.

It can be written as a sum of positive squares in 4 ways, for example, as 105657841 + 27762361 = 10279^2 + 5269^2 .

It is not an unprimeable number, because it can be changed into a prime (133420207) 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 7 ways as a sum of consecutive naturals, for example, 9452 + ... + 18872.

Almost surely, 2133420202 is an apocalyptic number.

133420202 is a deficient number, since it is larger than the sum of its proper divisors (71564830).

133420202 is an equidigital number, since it uses as much as digits as its factorization.

133420202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9593.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 133420202 is about 11550.7662949261. The cubic root of 133420202 is about 510.9838779743.

Adding to 133420202 its reverse (202024331), we get a palindrome (335444533).

The spelling of 133420202 in words is "one hundred thirty-three million, four hundred twenty thousand, two hundred two".

Divisors: 1 2 73 97 146 194 7081 9421 14162 18842 687733 913837 1375466 1827674 66710101 133420202