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65017 = 79823
BaseRepresentation
bin1111110111111001
310022012001
433313321
54040032
61221001
7360361
oct176771
9108161
1065017
1144937
1231761
1323794
14199a1
15143e7
hexfdf9

65017 has 4 divisors (see below), whose sum is σ = 65920. Its totient is φ = 64116.

The previous prime is 65011. The next prime is 65027. The reversal of 65017 is 71056.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65017 - 211 = 62969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64985 and 65003.

It is not an unprimeable number, because it can be changed into a prime (65011) 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 3 ways as a sum of consecutive naturals, for example, 333 + ... + 490.

It is an arithmetic number, because the mean of its divisors is an integer number (16480).

265017 is an apocalyptic number.

It is an amenable number.

65017 is a deficient number, since it is larger than the sum of its proper divisors (903).

65017 is an equidigital number, since it uses as much as digits as its factorization.

65017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 65017 is about 254.9843132430. The cubic root of 65017 is about 40.2107625284.

The spelling of 65017 in words is "sixty-five thousand, seventeen".

Divisors: 1 79 823 65017