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530756765 = 57111378589
BaseRepresentation
bin11111101000101…
…011010010011101
31100222201020101222
4133220223102131
52041333204030
6124355543125
716103233550
oct3750532235
91328636358
10530756765
11252664460
121298baaa5
1385c63676
14506c0697
15318e13e5
hex1fa2b49d

530756765 has 16 divisors (see below), whose sum is σ = 794067840. Its totient is φ = 330861120.

The previous prime is 530756741. The next prime is 530756777. The reversal of 530756765 is 567657035.

It is not a de Polignac number, because 530756765 - 214 = 530740381 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 688910 + ... + 689679.

It is an arithmetic number, because the mean of its divisors is an integer number (49629240).

Almost surely, 2530756765 is an apocalyptic number.

530756765 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

530756765 is a deficient number, since it is larger than the sum of its proper divisors (263311075).

530756765 is a wasteful number, since it uses less digits than its factorization.

530756765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378612.

The product of its (nonzero) digits is 661500, while the sum is 44.

The square root of 530756765 is about 23038.1588891126. The cubic root of 530756765 is about 809.6522233079.

The spelling of 530756765 in words is "five hundred thirty million, seven hundred fifty-six thousand, seven hundred sixty-five".

Divisors: 1 5 7 11 35 55 77 385 1378589 6892945 9650123 15164479 48250615 75822395 106151353 530756765