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65230489 is a prime number
BaseRepresentation
bin1111100011010…
…1011010011001
311112202001102001
43320311122121
5113144333424
610250041001
71421310232
oct370653231
9145661361
1065230489
11339036a5
1219a19161
131068b92c
148940089
155ad7844
hex3e35699

65230489 has 2 divisors, whose sum is σ = 65230490. Its totient is φ = 65230488.

The previous prime is 65230471. The next prime is 65230523. The reversal of 65230489 is 98403256.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51724864 + 13505625 = 7192^2 + 3675^2 .

It is a cyclic number.

It is not a de Polignac number, because 65230489 - 25 = 65230457 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65230189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32615244 + 32615245.

It is an arithmetic number, because the mean of its divisors is an integer number (32615245).

Almost surely, 265230489 is an apocalyptic number.

It is an amenable number.

65230489 is a deficient number, since it is larger than the sum of its proper divisors (1).

65230489 is an equidigital number, since it uses as much as digits as its factorization.

65230489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 65230489 is about 8076.5394198258. The cubic root of 65230489 is about 402.5472629453.

The spelling of 65230489 in words is "sixty-five million, two hundred thirty thousand, four hundred eighty-nine".