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530131340 = 22526506567
BaseRepresentation
bin11111100110010…
…010100110001100
31100221112110111002
4133212102212030
52041203200330
6124334315432
716065020264
oct3746224614
91327473432
10530131340
11252277582
12129658b78
1385aa4aab
145059a7a4
153181ae45
hex1f99298c

530131340 has 12 divisors (see below), whose sum is σ = 1113275856. Its totient is φ = 212052528.

The previous prime is 530131337. The next prime is 530131361. The reversal of 530131340 is 43131035.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 26506567 = 530131340 / (5 + 3 + 0 + 1 + 3 + 1 + 3 + 4 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13253264 + ... + 13253303.

It is an arithmetic number, because the mean of its divisors is an integer number (92772988).

Almost surely, 2530131340 is an apocalyptic number.

It is an amenable number.

530131340 is an abundant number, since it is smaller than the sum of its proper divisors (583144516).

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

530131340 is a wasteful number, since it uses less digits than its factorization.

530131340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26506576 (or 26506574 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 530131340 is about 23024.5812122610. The cubic root of 530131340 is about 809.3340764628.

Adding to 530131340 its reverse (43131035), we get a palindrome (573262375).

The spelling of 530131340 in words is "five hundred thirty million, one hundred thirty-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 26506567 53013134 106026268 132532835 265065670 530131340