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143323130 = 2553270421
BaseRepresentation
bin10001000101011…
…10111111111010
3100222200120101002
420202232333322
5243142320010
622115525002
73360140456
oct1042567772
9328616332
10143323130
11739a1875
123bbb9762
1323901ab2
141506b666
15c8b11a5
hex88aeffa

143323130 has 16 divisors (see below), whose sum is σ = 262850184. Its totient is φ = 56247360.

The previous prime is 143323127. The next prime is 143323139. The reversal of 143323130 is 31323341.

It can be written as a sum of positive squares in 4 ways, for example, as 129117769 + 14205361 = 11363^2 + 3769^2 .

It is not an unprimeable number, because it can be changed into a prime (143323139) 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, 134681 + ... + 135740.

Almost surely, 2143323130 is an apocalyptic number.

143323130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143323130 is a deficient number, since it is larger than the sum of its proper divisors (119527054).

143323130 is a wasteful number, since it uses less digits than its factorization.

143323130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270481.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 143323130 is about 11971.7638633578. The cubic root of 143323130 is about 523.3257381437.

Adding to 143323130 its reverse (31323341), we get a palindrome (174646471).

The spelling of 143323130 in words is "one hundred forty-three million, three hundred twenty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 53 106 265 530 270421 540842 1352105 2704210 14332313 28664626 71661565 143323130