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65385049 is a prime number
BaseRepresentation
bin1111100101101…
…1001001011001
311120000220102111
43321123021121
5113214310144
610253232321
71422522652
oct371331131
9146026374
1065385049
11339a9834
1219a926a1
13107140a2
148980529
155b18534
hex3e5b259

65385049 has 2 divisors, whose sum is σ = 65385050. Its totient is φ = 65385048.

The previous prime is 65385041. The next prime is 65385059. The reversal of 65385049 is 94058356.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58415449 + 6969600 = 7643^2 + 2640^2 .

It is a cyclic number.

It is not a de Polignac number, because 65385049 - 23 = 65385041 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65385041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32692524 + 32692525.

It is an arithmetic number, because the mean of its divisors is an integer number (32692525).

Almost surely, 265385049 is an apocalyptic number.

It is an amenable number.

65385049 is a deficient number, since it is larger than the sum of its proper divisors (1).

65385049 is an equidigital number, since it uses as much as digits as its factorization.

65385049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 65385049 is about 8086.1022130567. The cubic root of 65385049 is about 402.8649499147.

The spelling of 65385049 in words is "sixty-five million, three hundred eighty-five thousand, forty-nine".