Search a number
-
+
520433204 = 221011288201
BaseRepresentation
bin11111000001010…
…010111000110100
31100021021202010212
4133001102320310
52031212330304
6123350404552
715616415654
oct3701227064
91307252125
10520433204
11247853195
12126360758
1383a8a755
144d194364
1530a5266e
hex1f052e34

520433204 has 12 divisors (see below), whose sum is σ = 919776228. Its totient is φ = 257640000.

The previous prime is 520433203. The next prime is 520433219. The reversal of 520433204 is 402334025.

It can be written as a sum of positive squares in 2 ways, for example, as 436893604 + 83539600 = 20902^2 + 9140^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 520433204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520433203) 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, 643697 + ... + 644504.

It is an arithmetic number, because the mean of its divisors is an integer number (76648019).

Almost surely, 2520433204 is an apocalyptic number.

It is an amenable number.

520433204 is a deficient number, since it is larger than the sum of its proper divisors (399343024).

520433204 is a wasteful number, since it uses less digits than its factorization.

520433204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288306 (or 1288304 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 520433204 is about 22813.0051505715. The cubic root of 520433204 is about 804.3683967201.

Adding to 520433204 its reverse (402334025), we get a palindrome (922767229).

The spelling of 520433204 in words is "five hundred twenty million, four hundred thirty-three thousand, two hundred four".

Divisors: 1 2 4 101 202 404 1288201 2576402 5152804 130108301 260216602 520433204