Search a number
-
+
520225002 = 232112627399
BaseRepresentation
bin11111000000100…
…000000011101010
31100020220011112200
4133000200003222
52031134200002
6123342121030
715614560653
oct3700400352
91306804480
10520225002
11247720820
12126280176
1383a16a5b
144d13c52a
1530a10b1c
hex1f0200ea

520225002 has 24 divisors (see below), whose sum is σ = 1229623200. Its totient is φ = 157643880.

The previous prime is 520225001. The next prime is 520225009. The reversal of 520225002 is 200522025.

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

It is not an unprimeable number, because it can be changed into a prime (520225001) 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 11 ways as a sum of consecutive naturals, for example, 1313502 + ... + 1313897.

It is an arithmetic number, because the mean of its divisors is an integer number (51234300).

Almost surely, 2520225002 is an apocalyptic number.

520225002 is an abundant number, since it is smaller than the sum of its proper divisors (709398198).

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

520225002 is a wasteful number, since it uses less digits than its factorization.

520225002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2627418 (or 2627415 counting only the distinct ones).

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

The square root of 520225002 is about 22808.4414636336. The cubic root of 520225002 is about 804.2611184981.

Adding to 520225002 its reverse (200522025), we get a palindrome (720747027).

It can be divided in two parts, 520 and 225002, that added together give a palindrome (225522).

The spelling of 520225002 in words is "five hundred twenty million, two hundred twenty-five thousand, two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 2627399 5254798 7882197 15764394 23646591 28901389 47293182 57802778 86704167 173408334 260112501 520225002