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530715440 = 24538317321
BaseRepresentation
bin11111101000100…
…001001100110000
31100222122010201102
4133220201030300
52041330343230
6124355023532
716103002223
oct3750411460
91328563642
10530715440
11252636402
1212989aba8
1385c4a908
14506ad5ba
15318d4045
hex1fa21330

530715440 has 40 divisors (see below), whose sum is σ = 1237206528. Its totient is φ = 211719680.

The previous prime is 530715413. The next prime is 530715463. The reversal of 530715440 is 44517035.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21980 + ... + 39300.

Almost surely, 2530715440 is an apocalyptic number.

It is an amenable number.

530715440 is an abundant number, since it is smaller than the sum of its proper divisors (706491088).

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

530715440 is a wasteful number, since it uses less digits than its factorization.

530715440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17717 (or 17711 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 530715440 is about 23037.2619900890. The cubic root of 530715440 is about 809.6312094469.

The spelling of 530715440 in words is "five hundred thirty million, seven hundred fifteen thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 383 766 1532 1915 3064 3830 6128 7660 15320 17321 30640 34642 69284 86605 138568 173210 277136 346420 692840 1385680 6633943 13267886 26535772 33169715 53071544 66339430 106143088 132678860 265357720 530715440