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142141343 = 433328271
BaseRepresentation
bin10000111100011…
…10011110011111
3100220110112021012
420132032132133
5242342010333
622034325435
73344116151
oct1036163637
9326415235
10142141343
1173264993
123b72987b
13235a9c06
1414c40ad1
15c72ae48
hex878e79f

142141343 has 4 divisors (see below), whose sum is σ = 142470048. Its totient is φ = 141812640.

The previous prime is 142141313. The next prime is 142141393. The reversal of 142141343 is 343141241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142141343 - 210 = 142140319 is a prime.

It is a super-2 number, since 2×1421413432 = 40408322779687298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142141313) 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 3 ways as a sum of consecutive naturals, for example, 163703 + ... + 164568.

It is an arithmetic number, because the mean of its divisors is an integer number (35617512).

Almost surely, 2142141343 is an apocalyptic number.

142141343 is a deficient number, since it is larger than the sum of its proper divisors (328705).

142141343 is an equidigital number, since it uses as much as digits as its factorization.

142141343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328704.

The product of its digits is 1152, while the sum is 23.

The square root of 142141343 is about 11922.3044332881. The cubic root of 142141343 is about 521.8833860653.

Adding to 142141343 its reverse (343141241), we get a palindrome (485282584).

The spelling of 142141343 in words is "one hundred forty-two million, one hundred forty-one thousand, three hundred forty-three".

Divisors: 1 433 328271 142141343