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395705 = 5292729
BaseRepresentation
bin1100000100110111001
3202002210202
41200212321
5100130310
612251545
73235442
oct1404671
9662722
10395705
11250332
12170bb5
1310b15b
14a42c9
157c3a5
hex609b9

395705 has 8 divisors (see below), whose sum is σ = 491400. Its totient is φ = 305536.

The previous prime is 395701. The next prime is 395719. The reversal of 395705 is 507593.

It can be written as a sum of positive squares in 4 ways, for example, as 137641 + 258064 = 371^2 + 508^2 .

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 395705 - 22 = 395701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395701) 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, 1220 + ... + 1509.

It is an arithmetic number, because the mean of its divisors is an integer number (61425).

2395705 is an apocalyptic number.

It is an amenable number.

395705 is a deficient number, since it is larger than the sum of its proper divisors (95695).

395705 is a wasteful number, since it uses less digits than its factorization.

395705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2763.

The product of its (nonzero) digits is 4725, while the sum is 29.

The square root of 395705 is about 629.0508723466. The cubic root of 395705 is about 73.4159651660.

The spelling of 395705 in words is "three hundred ninety-five thousand, seven hundred five".

Divisors: 1 5 29 145 2729 13645 79141 395705