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65075841 = 327230649
BaseRepresentation
bin1111100000111…
…1101010000001
311112110012021100
43320033222001
5113124411331
610242445013
71420064325
oct370175201
9145405240
1065075841
1133808496
1219963769
131063641c
1488dd985
155aa6ae6
hex3e0fa81

65075841 has 6 divisors (see below), whose sum is σ = 93998450. Its totient is φ = 43383888.

The previous prime is 65075839. The next prime is 65075849. The reversal of 65075841 is 14857056.

65075841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 48233025 + 16842816 = 6945^2 + 4104^2 .

It is not a de Polignac number, because 65075841 - 21 = 65075839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65075796 and 65075805.

It is not an unprimeable number, because it can be changed into a prime (65075849) 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 5 ways as a sum of consecutive naturals, for example, 3615316 + ... + 3615333.

Almost surely, 265075841 is an apocalyptic number.

It is an amenable number.

65075841 is a deficient number, since it is larger than the sum of its proper divisors (28922609).

65075841 is a wasteful number, since it uses less digits than its factorization.

65075841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7230655 (or 7230652 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 65075841 is about 8066.9598362704. The cubic root of 65075841 is about 402.2288924440.

The spelling of 65075841 in words is "sixty-five million, seventy-five thousand, eight hundred forty-one".

Divisors: 1 3 9 7230649 21691947 65075841