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530718750 = 233561737
BaseRepresentation
bin11111101000100…
…010000000011110
31100222122022021000
4133220202000132
52041331000000
6124355051130
716103014662
oct3750420036
91328568230
10530718750
11252638941
121298a0aa6
1385c4c283
14506b08a2
15318d5000
hex1fa2201e

530718750 has 224 divisors, whose sum is σ = 1603104480. Its totient is φ = 129600000.

The previous prime is 530718743. The next prime is 530718757. The reversal of 530718750 is 57817035.

530718750 is a `hidden beast` number, since 530 + 71 + 8 + 7 + 50 = 666.

It is an interprime number because it is at equal distance from previous prime (530718743) and next prime (530718757).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530718757) by changing a digit.

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 111 ways as a sum of consecutive naturals, for example, 14343732 + ... + 14343768.

Almost surely, 2530718750 is an apocalyptic number.

530718750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 530718750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (801552240).

530718750 is an abundant number, since it is smaller than the sum of its proper divisors (1072385730).

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

530718750 is an equidigital number, since it uses as much as digits as its factorization.

530718750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The square root of 530718750 is about 23037.3338301115. Note that the first 3 decimals coincide. The cubic root of 530718750 is about 809.6328926300.

The spelling of 530718750 in words is "five hundred thirty million, seven hundred eighteen thousand, seven hundred fifty".