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530140311 = 3259998381
BaseRepresentation
bin11111100110010…
…100110010010111
31100221112220210100
4133212110302113
52041203442221
6124334425143
716065055401
oct3746246227
91327486710
10530140311
11252283298
121296621b3
1385aa8bbc
145059db71
153181d926
hex1f994c97

530140311 has 12 divisors (see below), whose sum is σ = 778737960. Its totient is φ = 347436240.

The previous prime is 530140309. The next prime is 530140333. The reversal of 530140311 is 113041035.

It is not a de Polignac number, because 530140311 - 21 = 530140309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530140111) 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 11 ways as a sum of consecutive naturals, for example, 498660 + ... + 499721.

It is an arithmetic number, because the mean of its divisors is an integer number (64894830).

Almost surely, 2530140311 is an apocalyptic number.

530140311 is a deficient number, since it is larger than the sum of its proper divisors (248597649).

530140311 is a wasteful number, since it uses less digits than its factorization.

530140311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998446 (or 998443 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 530140311 is about 23024.7760249693. The cubic root of 530140311 is about 809.3386416806.

Adding to 530140311 its reverse (113041035), we get a palindrome (643181346).

The spelling of 530140311 in words is "five hundred thirty million, one hundred forty thousand, three hundred eleven".

Divisors: 1 3 9 59 177 531 998381 2995143 8985429 58904479 176713437 530140311