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142592843 = 532690431
BaseRepresentation
bin10000111111111…
…00101101001011
3100221022110121102
420133330231023
5243000432333
622052132015
73351006401
oct1037745513
9327273542
10142592843
1173543128
123b90700b
1323707583
1414d1b471
15c7b9ae8
hex87fcb4b

142592843 has 4 divisors (see below), whose sum is σ = 145283328. Its totient is φ = 139902360.

The previous prime is 142592837. The next prime is 142592861. The reversal of 142592843 is 348295241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-142592843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142592797 and 142592806.

It is not an unprimeable number, because it can be changed into a prime (142592833) 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, 1345163 + ... + 1345268.

It is an arithmetic number, because the mean of its divisors is an integer number (36320832).

Almost surely, 2142592843 is an apocalyptic number.

142592843 is a deficient number, since it is larger than the sum of its proper divisors (2690485).

142592843 is an equidigital number, since it uses as much as digits as its factorization.

142592843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2690484.

The product of its digits is 69120, while the sum is 38.

The square root of 142592843 is about 11941.2245184487. The cubic root of 142592843 is about 522.4353748968.

The spelling of 142592843 in words is "one hundred forty-two million, five hundred ninety-two thousand, eight hundred forty-three".

Divisors: 1 53 2690431 142592843