Search a number
-
+
520341 = 31071621
BaseRepresentation
bin1111111000010010101
3222102202220
41333002111
5113122331
615052553
74265013
oct1770225
9872686
10520341
11325a38
12211159
13152ac3
14d78b3
15a4296
hex7f095

520341 has 8 divisors (see below), whose sum is σ = 700704. Its totient is φ = 343440.

The previous prime is 520339. The next prime is 520349. The reversal of 520341 is 143025.

520341 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 520341 - 21 = 520339 is a prime.

520341 is strictly pandigital in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 520341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490 + ... + 1131.

It is an arithmetic number, because the mean of its divisors is an integer number (87588).

2520341 is an apocalyptic number.

It is an amenable number.

520341 is a deficient number, since it is larger than the sum of its proper divisors (180363).

520341 is a wasteful number, since it uses less digits than its factorization.

520341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 520341 is about 721.3466573015. The cubic root of 520341 is about 80.4320891191.

Adding to 520341 its reverse (143025), we get a palindrome (663366).

It can be divided in two parts, 520 and 341, that added together give a triangular number (861 = T41).

The spelling of 520341 in words is "five hundred twenty thousand, three hundred forty-one".

Divisors: 1 3 107 321 1621 4863 173447 520341