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487065431 is a prime number
BaseRepresentation
bin11101000010000…
…000011101010111
31020221111111011102
4131002000131113
51444142043211
6120155300315
715032662556
oct3502003527
91227444142
10487065431
1122aa32516
1211714a69b
1379ba68c8
1448989d9d
152cb60a3b
hex1d080757

487065431 has 2 divisors, whose sum is σ = 487065432. Its totient is φ = 487065430.

The previous prime is 487065409. The next prime is 487065433. The reversal of 487065431 is 134560784.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 487065431 - 218 = 486803287 is a prime.

It is a super-2 number, since 2×4870654312 = 474465468150431522, which contains 22 as substring.

Together with 487065433, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p25709627 and since 487065431 and 25709627 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487065433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243532715 + 243532716.

It is an arithmetic number, because the mean of its divisors is an integer number (243532716).

Almost surely, 2487065431 is an apocalyptic number.

487065431 is a deficient number, since it is larger than the sum of its proper divisors (1).

487065431 is an equidigital number, since it uses as much as digits as its factorization.

487065431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 487065431 is about 22069.5589217365. The cubic root of 487065431 is about 786.7965296200.

The spelling of 487065431 in words is "four hundred eighty-seven million, sixty-five thousand, four hundred thirty-one".