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132431149 is a prime number
BaseRepresentation
bin1111110010010…
…11110100101101
3100020012012101101
413321023310231
5232400244044
621050243101
73165434434
oct771136455
9306165341
10132431149
1168832534
1238426491
132158a236
141383411b
15b95dcd4
hex7e4bd2d

132431149 has 2 divisors, whose sum is σ = 132431150. Its totient is φ = 132431148.

The previous prime is 132431147. The next prime is 132431161. The reversal of 132431149 is 941134231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70257924 + 62173225 = 8382^2 + 7885^2 .

It is a cyclic number.

It is not a de Polignac number, because 132431149 - 21 = 132431147 is a prime.

Together with 132431147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132431147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66215574 + 66215575.

It is an arithmetic number, because the mean of its divisors is an integer number (66215575).

Almost surely, 2132431149 is an apocalyptic number.

It is an amenable number.

132431149 is a deficient number, since it is larger than the sum of its proper divisors (1).

132431149 is an equidigital number, since it uses as much as digits as its factorization.

132431149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 28.

The square root of 132431149 is about 11507.8733482777. The cubic root of 132431149 is about 509.7180923111.

The spelling of 132431149 in words is "one hundred thirty-two million, four hundred thirty-one thousand, one hundred forty-nine".