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163126 = 281563
BaseRepresentation
bin100111110100110110
322021202201
4213310312
520210001
63255114
71246405
oct476466
9267681
10163126
11101617
127a49a
1359332
144363c
1533501
hex27d36

163126 has 4 divisors (see below), whose sum is σ = 244692. Its totient is φ = 81562.

The previous prime is 163117. The next prime is 163127. The reversal of 163126 is 621361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 621361 = 1347797.

It is a super-2 number, since 2×1631262 = 53220183752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163127) by changing a digit.

163126 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 40780 + ... + 40783.

It is an arithmetic number, because the mean of its divisors is an integer number (61173).

2163126 is an apocalyptic number.

163126 is a deficient number, since it is larger than the sum of its proper divisors (81566).

163126 is an equidigital number, since it uses as much as digits as its factorization.

163126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81565.

The product of its digits is 216, while the sum is 19.

The square root of 163126 is about 403.8885985021. Note that the first 3 decimals coincide. The cubic root of 163126 is about 54.6396273842.

Adding to 163126 its reverse (621361), we get a palindrome (784487).

It can be divided in two parts, 163 and 126, that added together give a square (289 = 172).

The spelling of 163126 in words is "one hundred sixty-three thousand, one hundred twenty-six".

Divisors: 1 2 81563 163126