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530718720 = 213357617
BaseRepresentation
bin11111101000100…
…010000000000000
31100222122022012220
4133220202000000
52041330444340
6124355051040
716103014620
oct3750420000
91328568186
10530718720
11252638914
121298a0a80
1385c4c25c
14506b0880
15318d4ed0
hex1fa22000

530718720 has 224 divisors, whose sum is σ = 1943941248. Its totient is φ = 121110528.

The previous prime is 530718703. The next prime is 530718737. The reversal of 530718720 is 27817035.

It is an interprime number because it is at equal distance from previous prime (530718703) and next prime (530718737).

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 859852 + ... + 860468.

Almost surely, 2530718720 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 530718720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (971970624).

530718720 is an abundant number, since it is smaller than the sum of its proper divisors (1413222528).

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

530718720 is an equidigital number, since it uses as much as digits as its factorization.

530718720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 530718720 is about 23037.3331789945. Note that the first 3 decimals coincide. The cubic root of 530718720 is about 809.6328773746.

The spelling of 530718720 in words is "five hundred thirty million, seven hundred eighteen thousand, seven hundred twenty".