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65075 = 5219137
BaseRepresentation
bin1111111000110011
310022021012
433320303
54040300
61221135
7360503
oct177063
9108235
1065075
114498a
12317ab
132380a
1419a03
1514435
hexfe33

65075 has 12 divisors (see below), whose sum is σ = 85560. Its totient is φ = 48960.

The previous prime is 65071. The next prime is 65089. The reversal of 65075 is 57056.

It is not a de Polignac number, because 65075 - 22 = 65071 is a prime.

It is a nialpdrome in base 16.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 65075.

It is not an unprimeable number, because it can be changed into a prime (65071) 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, 407 + ... + 543.

It is an arithmetic number, because the mean of its divisors is an integer number (7130).

265075 is an apocalyptic number.

65075 is a deficient number, since it is larger than the sum of its proper divisors (20485).

65075 is a wasteful number, since it uses less digits than its factorization.

65075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 65075 is about 255.0980203765. The cubic root of 65075 is about 40.2227159717. Note that the first 3 decimals are identical.

The spelling of 65075 in words is "sixty-five thousand, seventy-five".

Divisors: 1 5 19 25 95 137 475 685 2603 3425 13015 65075