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65065284 = 22326129629
BaseRepresentation
bin1111100000110…
…1000101000100
311112102122210100
43320031011010
5113124042114
610242324100
71420021464
oct370150504
9145378710
1065065284
1133800569
1219959630
131063168b
1488d9ba4
155aa3909
hex3e0d144

65065284 has 36 divisors (see below), whose sum is σ = 167172460. Its totient is φ = 21332160.

The previous prime is 65065283. The next prime is 65065303. The reversal of 65065284 is 48256056.

It can be written as a sum of positive squares in 2 ways, for example, as 28196100 + 36869184 = 5310^2 + 6072^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (65065283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12619 + ... + 17010.

Almost surely, 265065284 is an apocalyptic number.

It is an amenable number.

65065284 is an abundant number, since it is smaller than the sum of its proper divisors (102107176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65065284 is a wasteful number, since it uses less digits than its factorization.

65065284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29700 (or 29695 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 65065284 is about 8066.3054740073. The cubic root of 65065284 is about 402.2071405926.

The spelling of 65065284 in words is "sixty-five million, sixty-five thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 36 61 122 183 244 366 549 732 1098 2196 29629 59258 88887 118516 177774 266661 355548 533322 1066644 1807369 3614738 5422107 7229476 10844214 16266321 21688428 32532642 65065284