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162842 = 281421
BaseRepresentation
bin100111110000011010
322021101012
4213300122
520202332
63253522
71245521
oct476032
9267335
10162842
11101389
127a2a2
1359174
14434b8
15333b2
hex27c1a

162842 has 4 divisors (see below), whose sum is σ = 244266. Its totient is φ = 81420.

The previous prime is 162839. The next prime is 162847. The reversal of 162842 is 248261.

162842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 89401 + 73441 = 299^2 + 271^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 162842.

It is not an unprimeable number, because it can be changed into a prime (162847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40709 + ... + 40712.

2162842 is an apocalyptic number.

162842 is a deficient number, since it is larger than the sum of its proper divisors (81424).

162842 is an equidigital number, since it uses as much as digits as its factorization.

162842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81423.

The product of its digits is 768, while the sum is 23.

The square root of 162842 is about 403.5368632480. The cubic root of 162842 is about 54.6079000318.

The spelling of 162842 in words is "one hundred sixty-two thousand, eight hundred forty-two".

Divisors: 1 2 81421 162842