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131476 = 2232869
BaseRepresentation
bin100000000110010100
320200100111
4200012110
513201401
62452404
71055212
oct400624
9220314
10131476
118a864
1264104
1347ac7
1435cb2
1528e51
hex20194

131476 has 6 divisors (see below), whose sum is σ = 230090. Its totient is φ = 65736.

The previous prime is 131449. The next prime is 131477. The reversal of 131476 is 674131.

It can be written as a sum of positive squares in only one way, i.e., 115600 + 15876 = 340^2 + 126^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131477) by changing a digit.

131476 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 (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16431 + ... + 16438.

2131476 is an apocalyptic number.

It is an amenable number.

131476 is a deficient number, since it is larger than the sum of its proper divisors (98614).

131476 is a wasteful number, since it uses less digits than its factorization.

131476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32873 (or 32871 counting only the distinct ones).

The product of its digits is 504, while the sum is 22.

The square root of 131476 is about 362.5961941334. The cubic root of 131476 is about 50.8489700768.

The spelling of 131476 in words is "one hundred thirty-one thousand, four hundred seventy-six".

Divisors: 1 2 4 32869 65738 131476