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520230300 = 223521734101
BaseRepresentation
bin11111000000100…
…001010110011100
31100020220102210220
4133000201112130
52031134332200
6123342201340
715614612262
oct3700412634
91306812726
10520230300
112477247a7
12126283250
1383a192a5
144d140432
1530a124a0
hex1f02159c

520230300 has 36 divisors (see below), whose sum is σ = 1505200536. Its totient is φ = 138728000.

The previous prime is 520230287. The next prime is 520230331. The reversal of 520230300 is 3032025.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 520230300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 866751 + ... + 867350.

It is an arithmetic number, because the mean of its divisors is an integer number (41811126).

Almost surely, 2520230300 is an apocalyptic number.

520230300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

520230300 is an abundant number, since it is smaller than the sum of its proper divisors (984970236).

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

520230300 is a wasteful number, since it uses less digits than its factorization.

520230300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734118 (or 1734111 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 520230300 is about 22808.5576045483. The cubic root of 520230300 is about 804.2638487019.

Adding to 520230300 its reverse (3032025), we get a palindrome (523262325).

The spelling of 520230300 in words is "five hundred twenty million, two hundred thirty thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 1734101 3468202 5202303 6936404 8670505 10404606 17341010 20809212 26011515 34682020 43352525 52023030 86705050 104046060 130057575 173410100 260115150 520230300