Search a number
-
+
520113 = 31115761
BaseRepresentation
bin1111110111110110001
3222102110110
41332332301
5113120423
615051533
74264236
oct1767661
9872413
10520113
11325850
12210ba9
13152979
14d778d
15a4193
hex7efb1

520113 has 8 divisors (see below), whose sum is σ = 756576. Its totient is φ = 315200.

The previous prime is 520111. The next prime is 520123. The reversal of 520113 is 311025.

520113 = T302 + T303 + ... + T312.

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 520113 - 21 = 520111 is a prime.

It is a Curzon number.

520113 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (520111) 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, 7848 + ... + 7913.

It is an arithmetic number, because the mean of its divisors is an integer number (94572).

2520113 is an apocalyptic number.

It is an amenable number.

520113 is a deficient number, since it is larger than the sum of its proper divisors (236463).

520113 is a wasteful number, since it uses less digits than its factorization.

520113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15775.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 520113 is about 721.1886022394. The cubic root of 520113 is about 80.4203396475.

Adding to 520113 its reverse (311025), we get a palindrome (831138).

The spelling of 520113 in words is "five hundred twenty thousand, one hundred thirteen".

Divisors: 1 3 11 33 15761 47283 173371 520113