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131932873 is a prime number
BaseRepresentation
bin1111101110100…
…10001011001001
3100012020212212201
413313102023021
5232233322443
621031440201
73161260642
oct767221311
9305225781
10131932873
1168522136
1238226061
13214444b7
14137446c9
15b8b134d
hex7dd22c9

131932873 has 2 divisors, whose sum is σ = 131932874. Its totient is φ = 131932872.

The previous prime is 131932841. The next prime is 131932897. The reversal of 131932873 is 378239131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70341769 + 61591104 = 8387^2 + 7848^2 .

It is a cyclic number.

It is not a de Polignac number, because 131932873 - 25 = 131932841 is a prime.

It is not a weakly prime, because it can be changed into another prime (131932573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65966436 + 65966437.

It is an arithmetic number, because the mean of its divisors is an integer number (65966437).

Almost surely, 2131932873 is an apocalyptic number.

It is an amenable number.

131932873 is a deficient number, since it is larger than the sum of its proper divisors (1).

131932873 is an equidigital number, since it uses as much as digits as its factorization.

131932873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 37.

The square root of 131932873 is about 11486.2035938773. The cubic root of 131932873 is about 509.0780125473.

The spelling of 131932873 in words is "one hundred thirty-one million, nine hundred thirty-two thousand, eight hundred seventy-three".