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395805 = 3526387
BaseRepresentation
bin1100000101000011101
3202002221110
41200220131
5100131210
612252233
73235644
oct1405035
9662843
10395805
11250413
12171079
1310b207
14a435b
157c420
hex60a1d

395805 has 8 divisors (see below), whose sum is σ = 633312. Its totient is φ = 211088.

The previous prime is 395803. The next prime is 395849. The reversal of 395805 is 508593.

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 395805 - 21 = 395803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13179 + ... + 13208.

It is an arithmetic number, because the mean of its divisors is an integer number (79164).

2395805 is an apocalyptic number.

It is an amenable number.

395805 is a deficient number, since it is larger than the sum of its proper divisors (237507).

395805 is a wasteful number, since it uses less digits than its factorization.

395805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26395.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 395805 is about 629.1303521529. The cubic root of 395805 is about 73.4221490473.

The spelling of 395805 in words is "three hundred ninety-five thousand, eight hundred five".

Divisors: 1 3 5 15 26387 79161 131935 395805