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65330345 = 537353137
BaseRepresentation
bin1111100100110…
…1110010101001
311112221010101102
43321031302221
5113211032340
610252131145
71422204323
oct371156251
9145833342
1065330345
1133971723
1219a66ab5
13106c5212
148968613
155b07215
hex3e4dca9

65330345 has 8 divisors (see below), whose sum is σ = 80515464. Its totient is φ = 50851584.

The previous prime is 65330339. The next prime is 65330347. The reversal of 65330345 is 54303356.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21187609 + 44142736 = 4603^2 + 6644^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65330345 - 210 = 65329321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65330347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176384 + ... + 176753.

It is an arithmetic number, because the mean of its divisors is an integer number (10064433).

Almost surely, 265330345 is an apocalyptic number.

It is an amenable number.

65330345 is a deficient number, since it is larger than the sum of its proper divisors (15185119).

65330345 is a wasteful number, since it uses less digits than its factorization.

65330345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353179.

The product of its (nonzero) digits is 16200, while the sum is 29.

The square root of 65330345 is about 8082.7189113565. The cubic root of 65330345 is about 402.7525670714.

The spelling of 65330345 in words is "sixty-five million, three hundred thirty thousand, three hundred forty-five".

Divisors: 1 5 37 185 353137 1765685 13066069 65330345