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530291520 = 263251119881
BaseRepresentation
bin11111100110111…
…001101101000000
31100221211121012200
4133212321231000
52041223312040
6124341553200
716066255263
oct3746715500
91327747180
10530291520
11252376960
12129715800
1385b2c985
14505dccda
153184d630
hex1f9b9b40

530291520 has 336 divisors, whose sum is σ = 2096902080. Its totient is φ = 121651200.

The previous prime is 530291507. The next prime is 530291543. The reversal of 530291520 is 25192035.

530291520 is a `hidden beast` number, since 53 + 0 + 2 + 91 + 520 = 666.

530291520 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 601480 + ... + 602360.

It is an arithmetic number, because the mean of its divisors is an integer number (6240780).

Almost surely, 2530291520 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 530291520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1048451040).

530291520 is an abundant number, since it is smaller than the sum of its proper divisors (1566610560).

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

530291520 is a wasteful number, since it uses less digits than its factorization.

530291520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934 (or 921 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 530291520 is about 23028.0594058640. The cubic root of 530291520 is about 809.4155820998.

The spelling of 530291520 in words is "five hundred thirty million, two hundred ninety-one thousand, five hundred twenty".