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143200230 = 2355698389
BaseRepresentation
bin10001000100100…
…00111111100110
3100222110022210020
420202100333212
5243124401410
622113140010
73356116245
oct1042207746
9328408706
10143200230
11739184a8
123bb5a606
132388ab84
141503895c
15c889a70
hex8890fe6

143200230 has 32 divisors (see below), whose sum is σ = 344325600. Its totient is φ = 38115072.

The previous prime is 143200217. The next prime is 143200237. The reversal of 143200230 is 32002341.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143200237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12876 + ... + 21264.

It is an arithmetic number, because the mean of its divisors is an integer number (10760175).

Almost surely, 2143200230 is an apocalyptic number.

143200230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143200230 is an abundant number, since it is smaller than the sum of its proper divisors (201125370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143200230 is a wasteful number, since it uses less digits than its factorization.

143200230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8968.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 143200230 is about 11966.6298513826. The cubic root of 143200230 is about 523.1761109205.

Adding to 143200230 its reverse (32002341), we get a palindrome (175202571).

The spelling of 143200230 in words is "one hundred forty-three million, two hundred thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 569 1138 1707 2845 3414 5690 8389 8535 16778 17070 25167 41945 50334 83890 125835 251670 4773341 9546682 14320023 23866705 28640046 47733410 71600115 143200230