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395071 = 2389193
BaseRepresentation
bin1100000011100111111
3202001221021
41200130333
5100120241
612245011
73233545
oct1403477
9661837
10395071
1124a906
12170767
1310aa91
14a3d95
157c0d1
hex6073f

395071 has 8 divisors (see below), whose sum is σ = 419040. Its totient is φ = 371712.

The previous prime is 395069. The next prime is 395089. The reversal of 395071 is 170593.

395071 = 392 + 402 + ... + 1072.

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 395071 - 21 = 395069 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395671) 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 7 ways as a sum of consecutive naturals, for example, 1951 + ... + 2143.

It is an arithmetic number, because the mean of its divisors is an integer number (52380).

2395071 is an apocalyptic number.

395071 is a deficient number, since it is larger than the sum of its proper divisors (23969).

395071 is a wasteful number, since it uses less digits than its factorization.

395071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305.

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

The square root of 395071 is about 628.5467365280. The cubic root of 395071 is about 73.3767350977.

The spelling of 395071 in words is "three hundred ninety-five thousand, seventy-one".

Divisors: 1 23 89 193 2047 4439 17177 395071