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395785 = 5136089
BaseRepresentation
bin1100000101000001001
3202002220201
41200220021
5100131120
612252201
73235615
oct1405011
9662821
10395785
112503a5
12171061
1310b1c0
14a4345
157c40a
hex60a09

395785 has 8 divisors (see below), whose sum is σ = 511560. Its totient is φ = 292224.

The previous prime is 395767. The next prime is 395803. The reversal of 395785 is 587593.

395785 is nontrivially palindromic in base 4.

It is an interprime number because it is at equal distance from previous prime (395767) and next prime (395803).

It can be written as a sum of positive squares in 4 ways, for example, as 144 + 395641 = 12^2 + 629^2 .

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 395785 - 27 = 395657 is a prime.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2980 + ... + 3109.

It is an arithmetic number, because the mean of its divisors is an integer number (63945).

2395785 is an apocalyptic number.

It is an amenable number.

395785 is a deficient number, since it is larger than the sum of its proper divisors (115775).

395785 is a wasteful number, since it uses less digits than its factorization.

395785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6107.

The product of its digits is 37800, while the sum is 37.

The square root of 395785 is about 629.1144569949. The cubic root of 395785 is about 73.4209123544.

The spelling of 395785 in words is "three hundred ninety-five thousand, seven hundred eighty-five".

Divisors: 1 5 13 65 6089 30445 79157 395785