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396205 = 579241
BaseRepresentation
bin1100000101110101101
3202010111021
41200232231
5100134310
612254141
73240055
oct1405655
9663437
10396205
11250747
12171351
1310b454
14a4565
157c5da
hex60bad

396205 has 4 divisors (see below), whose sum is σ = 475452. Its totient is φ = 316960.

The previous prime is 396203. The next prime is 396217. The reversal of 396205 is 502693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 502693 = 547919.

It can be written as a sum of positive squares in 2 ways, for example, as 281961 + 114244 = 531^2 + 338^2 .

It is not a de Polignac number, because 396205 - 21 = 396203 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 396205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39616 + ... + 39625.

It is an arithmetic number, because the mean of its divisors is an integer number (118863).

2396205 is an apocalyptic number.

It is an amenable number.

396205 is a deficient number, since it is larger than the sum of its proper divisors (79247).

396205 is an equidigital number, since it uses as much as digits as its factorization.

396205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79246.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 396205 is about 629.4481710197. The cubic root of 396205 is about 73.4468741617.

Adding to 396205 its reverse (502693), we get a palindrome (898898).

The spelling of 396205 in words is "three hundred ninety-six thousand, two hundred five".

Divisors: 1 5 79241 396205