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130240441 is a prime number
BaseRepresentation
bin1111100001101…
…00111110111001
3100002001220022001
413300310332321
5231320143231
620531301001
73141011512
oct760647671
9302056261
10130240441
1167576631
123774a761
1320ca1066
1413423a09
15b679b61
hex7c34fb9

130240441 has 2 divisors, whose sum is σ = 130240442. Its totient is φ = 130240440.

The previous prime is 130240433. The next prime is 130240447. The reversal of 130240441 is 144042031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130051216 + 189225 = 11404^2 + 435^2 .

It is a cyclic number.

It is not a de Polignac number, because 130240441 - 23 = 130240433 is a prime.

It is not a weakly prime, because it can be changed into another prime (130240447) 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, 65120220 + 65120221.

It is an arithmetic number, because the mean of its divisors is an integer number (65120221).

Almost surely, 2130240441 is an apocalyptic number.

It is an amenable number.

130240441 is a deficient number, since it is larger than the sum of its proper divisors (1).

130240441 is an equidigital number, since it uses as much as digits as its factorization.

130240441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 130240441 is about 11412.2934154358. The cubic root of 130240441 is about 506.8918237410.

Adding to 130240441 its reverse (144042031), we get a palindrome (274282472).

The spelling of 130240441 in words is "one hundred thirty million, two hundred forty thousand, four hundred forty-one".