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1431260393 is a prime number
BaseRepresentation
bin101010101001111…
…0100110011101001
310200202011120011012
41111103310303221
510412400313033
6354004513305
750316340553
oct12523646351
93622146135
101431260393
11674a00132
1233b3ab835
1319a6a5354
14d812c4d3
15859bc248
hex554f4ce9

1431260393 has 2 divisors, whose sum is σ = 1431260394. Its totient is φ = 1431260392.

The previous prime is 1431260333. The next prime is 1431260407. The reversal of 1431260393 is 3930621341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1431260224 + 169 = 37832^2 + 13^2 .

It is a cyclic number.

It is not a de Polignac number, because 1431260393 - 212 = 1431256297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1431260333) 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, 715630196 + 715630197.

It is an arithmetic number, because the mean of its divisors is an integer number (715630197).

Almost surely, 21431260393 is an apocalyptic number.

It is an amenable number.

1431260393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431260393 is an equidigital number, since it uses as much as digits as its factorization.

1431260393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 1431260393 is about 37832.0022335588. The cubic root of 1431260393 is about 1126.9540736594.

The spelling of 1431260393 in words is "one billion, four hundred thirty-one million, two hundred sixty thousand, three hundred ninety-three".