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65065063 = 7193143367
BaseRepresentation
bin1111100000110…
…1000001100111
311112102122111011
43320031001213
5113124040223
610242323051
71420021030
oct370150147
9145378434
1065065063
1133800388
1219959487
131063154b
1488d9a87
155aa380d
hex3e0d067

65065063 has 32 divisors (see below), whose sum is σ = 82903040. Its totient is φ = 49805280.

The previous prime is 65065031. The next prime is 65065081. The reversal of 65065063 is 36056056.

It is a happy number.

65065063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 65065063 - 25 = 65065031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65065003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177106 + ... + 177472.

It is an arithmetic number, because the mean of its divisors is an integer number (2590720).

Almost surely, 265065063 is an apocalyptic number.

65065063 is a deficient number, since it is larger than the sum of its proper divisors (17837977).

65065063 is a wasteful number, since it uses less digits than its factorization.

65065063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 65065063 is about 8066.2917750352. The cubic root of 65065063 is about 402.2066852147.

The spelling of 65065063 in words is "sixty-five million, sixty-five thousand, sixty-three".

Divisors: 1 7 19 31 43 133 217 301 367 589 817 1333 2569 4123 5719 6973 9331 11377 15781 25327 48811 79639 110467 177289 216163 299839 489211 1513141 2098873 3424477 9295009 65065063