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142827 = 347609
BaseRepresentation
bin100010110111101011
321020220220
4202313223
514032302
63021123
71133256
oct426753
9236826
10142827
1198343
126a7a3
1350019
143a09d
152c4bc
hex22deb

142827 has 4 divisors (see below), whose sum is σ = 190440. Its totient is φ = 95216.

The previous prime is 142811. The next prime is 142837. The reversal of 142827 is 728241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 728241 = 3242747.

It is a cyclic number.

It is not a de Polignac number, because 142827 - 24 = 142811 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 142797 and 142806.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142827.

It is not an unprimeable number, because it can be changed into a prime (142837) 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 3 ways as a sum of consecutive naturals, for example, 23802 + ... + 23807.

It is an arithmetic number, because the mean of its divisors is an integer number (47610).

2142827 is an apocalyptic number.

142827 is a deficient number, since it is larger than the sum of its proper divisors (47613).

142827 is an equidigital number, since it uses as much as digits as its factorization.

142827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47612.

The product of its digits is 896, while the sum is 24.

The square root of 142827 is about 377.9245956537. The cubic root of 142827 is about 52.2721188679.

It can be divided in two parts, 142 and 827, that added together give a palindrome (969).

The spelling of 142827 in words is "one hundred forty-two thousand, eight hundred twenty-seven".

Divisors: 1 3 47609 142827