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530522500 = 2254212209
BaseRepresentation
bin11111100111110…
…010000110000100
31100222021100001111
4133213302012010
52041303210000
6124350534404
716101236554
oct3747620604
91328240044
10530522500
11252514452
12129807404
1385bb0b51
145065d164
1531896cba
hex1f9f2184

530522500 has 30 divisors (see below), whose sum is σ = 1160152070. Its totient is φ = 212208000.

The previous prime is 530522483. The next prime is 530522507. The reversal of 530522500 is 5225035.

It can be written as a sum of positive squares in 5 ways, for example, as 96550276 + 433972224 = 9826^2 + 20832^2 .

It is not an unprimeable number, because it can be changed into a prime (530522507) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 103605 + ... + 108604.

Almost surely, 2530522500 is an apocalyptic number.

530522500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

530522500 is an abundant number, since it is smaller than the sum of its proper divisors (629629570).

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

530522500 is a wasteful number, since it uses less digits than its factorization.

530522500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212233 (or 212216 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 530522500 is about 23033.0740458151. The cubic root of 530522500 is about 809.5330845590.

Adding to 530522500 its reverse (5225035), we get a palindrome (535747535).

The spelling of 530522500 in words is "five hundred thirty million, five hundred twenty-two thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 625 1250 2500 212209 424418 848836 1061045 2122090 4244180 5305225 10610450 21220900 26526125 53052250 106104500 132630625 265261250 530522500