Search a number
-
+
520045002 = 2339630463
BaseRepresentation
bin11110111111110…
…100000111001010
31100020120000122000
4132333310013022
52031112420002
6123334211430
715613211121
oct3677640712
91306500560
10520045002
11247608564
121261b3b76
1383982b49
144d0d2ab8
15309c761c
hex1eff41ca

520045002 has 16 divisors (see below), whose sum is σ = 1155655680. Its totient is φ = 173348316.

The previous prime is 520044971. The next prime is 520045021. The reversal of 520045002 is 200540025.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4815178 + ... + 4815285.

It is an arithmetic number, because the mean of its divisors is an integer number (72228480).

Almost surely, 2520045002 is an apocalyptic number.

520045002 is an abundant number, since it is smaller than the sum of its proper divisors (635610678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520045002 is a wasteful number, since it uses less digits than its factorization.

520045002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9630474 (or 9630468 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 520045002 is about 22804.4952147597. The cubic root of 520045002 is about 804.1683485744.

Adding to 520045002 its reverse (200540025), we get a palindrome (720585027).

The spelling of 520045002 in words is "five hundred twenty million, forty-five thousand, two".

Divisors: 1 2 3 6 9 18 27 54 9630463 19260926 28891389 57782778 86674167 173348334 260022501 520045002