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65343449 is a prime number
BaseRepresentation
bin1111100101000…
…0111111011001
311112221210100202
43321100333121
5113211442244
610252311545
71422260453
oct371207731
9145853322
1065343449
1133980556
1219a725b5
13106cb182
14896d2d3
155b0b04e
hex3e50fd9

65343449 has 2 divisors, whose sum is σ = 65343450. Its totient is φ = 65343448.

The previous prime is 65343433. The next prime is 65343457. The reversal of 65343449 is 94434356.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50865424 + 14478025 = 7132^2 + 3805^2 .

It is a cyclic number.

It is not a de Polignac number, because 65343449 - 24 = 65343433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65342449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32671724 + 32671725.

It is an arithmetic number, because the mean of its divisors is an integer number (32671725).

Almost surely, 265343449 is an apocalyptic number.

It is an amenable number.

65343449 is a deficient number, since it is larger than the sum of its proper divisors (1).

65343449 is an equidigital number, since it uses as much as digits as its factorization.

65343449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 38.

The square root of 65343449 is about 8083.5294890289. The cubic root of 65343449 is about 402.7794933887.

The spelling of 65343449 in words is "sixty-five million, three hundred forty-three thousand, four hundred forty-nine".