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143312041 = 1934721737
BaseRepresentation
bin10001000101011…
…00010010101001
3100222200000011101
420202230102221
5243141441131
622115401401
73360063235
oct1042542251
9328600141
10143312041
1173994504
123bbb3261
13238c9a32
14150675c5
15c8acc61
hex88ac4a9

143312041 has 8 divisors (see below), whose sum is σ = 151296480. Its totient is φ = 135371808.

The previous prime is 143311981. The next prime is 143312047. The reversal of 143312041 is 140213341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 143312041 - 29 = 143311529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143312047) 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, 4276 + ... + 17461.

It is an arithmetic number, because the mean of its divisors is an integer number (18912060).

Almost surely, 2143312041 is an apocalyptic number.

It is an amenable number.

143312041 is a deficient number, since it is larger than the sum of its proper divisors (7984439).

143312041 is a wasteful number, since it uses less digits than its factorization.

143312041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22103.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 143312041 is about 11971.3007229791. The cubic root of 143312041 is about 523.3122411160.

Adding to 143312041 its reverse (140213341), we get a palindrome (283525382).

The spelling of 143312041 in words is "one hundred forty-three million, three hundred twelve thousand, forty-one".

Divisors: 1 19 347 6593 21737 413003 7542739 143312041