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65030065 = 519684527
BaseRepresentation
bin1111100000010…
…0011110110001
311112100212110221
43320010132301
5113121430230
610241453041
71416514012
oct370043661
9145325427
1065030065
1133787061
1219941181
131061b639
1488cb009
155a9827a
hex3e047b1

65030065 has 8 divisors (see below), whose sum is σ = 82143360. Its totient is φ = 49285872.

The previous prime is 65030047. The next prime is 65030071. The reversal of 65030065 is 56003056.

65030065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 65030065 - 29 = 65029553 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 342169 + ... + 342358.

It is an arithmetic number, because the mean of its divisors is an integer number (10267920).

Almost surely, 265030065 is an apocalyptic number.

It is an amenable number.

65030065 is a deficient number, since it is larger than the sum of its proper divisors (17113295).

65030065 is a wasteful number, since it uses less digits than its factorization.

65030065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684551.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 65030065 is about 8064.1220848893. The cubic root of 65030065 is about 402.1345576471.

The spelling of 65030065 in words is "sixty-five million, thirty thousand, sixty-five".

Divisors: 1 5 19 95 684527 3422635 13006013 65030065