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395017 = 756431
BaseRepresentation
bin1100000011100001001
3202001212021
41200130021
5100120032
612244441
73233440
oct1403411
9661767
10395017
1124a867
12170721
1310aa4c
14a3d57
157c097
hex60709

395017 has 4 divisors (see below), whose sum is σ = 451456. Its totient is φ = 338580.

The previous prime is 394993. The next prime is 395023. The reversal of 395017 is 710593.

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 395017 - 211 = 392969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 394982 and 395000.

It is not an unprimeable number, because it can be changed into a prime (395027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28209 + ... + 28222.

It is an arithmetic number, because the mean of its divisors is an integer number (112864).

2395017 is an apocalyptic number.

It is an amenable number.

395017 is a deficient number, since it is larger than the sum of its proper divisors (56439).

395017 is an equidigital number, since it uses as much as digits as its factorization.

395017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56438.

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 395017 is about 628.5037788271. The cubic root of 395017 is about 73.3733917963.

The spelling of 395017 in words is "three hundred ninety-five thousand, seventeen".

Divisors: 1 7 56431 395017