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131827 = 241547
BaseRepresentation
bin100000001011110011
320200211111
4200023303
513204302
62454151
71056223
oct401363
9220744
10131827
1190053
1264357
1348007
1436083
15290d7
hex202f3

131827 has 4 divisors (see below), whose sum is σ = 132616. Its totient is φ = 131040.

The previous prime is 131797. The next prime is 131837. The reversal of 131827 is 728131.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131798 and 131807.

It is not an unprimeable number, because it can be changed into a prime (131837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33 + ... + 514.

It is an arithmetic number, because the mean of its divisors is an integer number (33154).

2131827 is an apocalyptic number.

131827 is a deficient number, since it is larger than the sum of its proper divisors (789).

131827 is an equidigital number, since it uses as much as digits as its factorization.

131827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788.

The product of its digits is 336, while the sum is 22.

The square root of 131827 is about 363.0798810179. The cubic root of 131827 is about 50.8941801764.

Adding to 131827 its reverse (728131), we get a palindrome (859958).

The spelling of 131827 in words is "one hundred thirty-one thousand, eight hundred twenty-seven".

Divisors: 1 241 547 131827