Search a number
-
+
395317 = 1347647
BaseRepresentation
bin1100000100000110101
3202002021101
41200200311
5100122232
612250101
73234346
oct1404065
9662241
10395317
1125000a
12170931
1310ac20
14a40cd
157c1e7
hex60835

395317 has 8 divisors (see below), whose sum is σ = 435456. Its totient is φ = 356592.

The previous prime is 395309. The next prime is 395321. The reversal of 395317 is 713593.

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 395317 - 23 = 395309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288 + ... + 934.

It is an arithmetic number, because the mean of its divisors is an integer number (54432).

2395317 is an apocalyptic number.

It is an amenable number.

395317 is a deficient number, since it is larger than the sum of its proper divisors (40139).

395317 is a wasteful number, since it uses less digits than its factorization.

395317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707.

The product of its digits is 2835, while the sum is 28.

The square root of 395317 is about 628.7423955803. The cubic root of 395317 is about 73.3919618388.

It can be divided in two parts, 39 and 5317, that added together give a triangular number (5356 = T103).

The spelling of 395317 in words is "three hundred ninety-five thousand, three hundred seventeen".

Divisors: 1 13 47 611 647 8411 30409 395317