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530759680 = 2145111931
BaseRepresentation
bin11111101000101…
…100000000000000
31100222201101101221
4133220230000000
52041333302210
6124400004424
716103245213
oct3750540000
91328641357
10530759680
11252666670
12129900714
1385c64aa9
14506c177a
15318e21da
hex1fa2c000

530759680 has 240 divisors, whose sum is σ = 1509903360. Its totient is φ = 176947200.

The previous prime is 530759659. The next prime is 530759681. The reversal of 530759680 is 86957035.

It is not an unprimeable number, because it can be changed into a prime (530759681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17121265 + ... + 17121295.

It is an arithmetic number, because the mean of its divisors is an integer number (6291264).

Almost surely, 2530759680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 530759680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (754951680).

530759680 is an abundant number, since it is smaller than the sum of its proper divisors (979143680).

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

530759680 is a wasteful number, since it uses less digits than its factorization.

530759680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 530759680 is about 23038.2221536298. Note that the first 3 decimals coincide. The cubic root of 530759680 is about 809.6537055511.

The spelling of 530759680 in words is "five hundred thirty million, seven hundred fifty-nine thousand, six hundred eighty".