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143201132 = 22174914289
BaseRepresentation
bin10001000100100…
…01001101101100
3100222110101000122
420202101031230
5243124414012
622113144112
73356122004
oct1042211554
9328411018
10143201132
1173919148
123bb5b038
132388b3c9
1415039004
15c889e72
hex889136c

143201132 has 24 divisors (see below), whose sum is σ = 265945680. Its totient is φ = 67235840.

The previous prime is 143201131. The next prime is 143201141. The reversal of 143201132 is 231102341.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 143201132.

It is not an unprimeable number, because it can be changed into a prime (143201131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31244 + ... + 35532.

It is an arithmetic number, because the mean of its divisors is an integer number (11081070).

Almost surely, 2143201132 is an apocalyptic number.

It is an amenable number.

143201132 is a deficient number, since it is larger than the sum of its proper divisors (122744548).

143201132 is a wasteful number, since it uses less digits than its factorization.

143201132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4801 (or 4799 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 143201132 is about 11966.6675394614. The cubic root of 143201132 is about 523.1772093914.

Adding to 143201132 its reverse (231102341), we get a palindrome (374303473).

The spelling of 143201132 in words is "one hundred forty-three million, two hundred one thousand, one hundred thirty-two".

Divisors: 1 2 4 17 34 68 491 982 1964 4289 8347 8578 16694 17156 33388 72913 145826 291652 2105899 4211798 8423596 35800283 71600566 143201132