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530255243 = 75910911779
BaseRepresentation
bin11111100110110…
…000110110001011
31100221202202110002
4133212300312023
52041221131433
6124341113215
716066044440
oct3746606613
91327682402
10530255243
11252351681
121296b880b
1385b192cb
14505cd9c7
15318429e8
hex1f9b0d8b

530255243 has 16 divisors (see below), whose sum is σ = 621984000. Its totient is φ = 442664352.

The previous prime is 530255233. The next prime is 530255261. The reversal of 530255243 is 342552035.

It is a cyclic number.

It is not a de Polignac number, because 530255243 - 218 = 529993099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530255203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39128 + ... + 50906.

It is an arithmetic number, because the mean of its divisors is an integer number (38874000).

Almost surely, 2530255243 is an apocalyptic number.

530255243 is a deficient number, since it is larger than the sum of its proper divisors (91728757).

530255243 is a wasteful number, since it uses less digits than its factorization.

530255243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11954.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 530255243 is about 23027.2717228941. The cubic root of 530255243 is about 809.3971244291.

The spelling of 530255243 in words is "five hundred thirty million, two hundred fifty-five thousand, two hundred forty-three".

Divisors: 1 7 59 109 413 763 6431 11779 45017 82453 694961 1283911 4864727 8987377 75750749 530255243