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530312153 = 7231734141
BaseRepresentation
bin11111100110111…
…110101111011001
31100221212122111212
4133212332233121
52041224442103
6124342232505
716066402400
oct3746765731
91327778455
10530312153
11252390408
12129725735
1385b39197
1450606637
15318547d8
hex1f9bebd9

530312153 has 12 divisors (see below), whose sum is σ = 618857892. Its totient is φ = 453106080.

The previous prime is 530312143. The next prime is 530312171. The reversal of 530312153 is 351213035.

It can be written as a sum of positive squares in 2 ways, for example, as 129231424 + 401080729 = 11368^2 + 20027^2 .

It is not a de Polignac number, because 530312153 - 24 = 530312137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (530312113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1538 + ... + 32603.

It is an arithmetic number, because the mean of its divisors is an integer number (51571491).

Almost surely, 2530312153 is an apocalyptic number.

It is an amenable number.

530312153 is a deficient number, since it is larger than the sum of its proper divisors (88545739).

530312153 is a wasteful number, since it uses less digits than its factorization.

530312153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34472 (or 34465 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 530312153 is about 23028.5073984399. The cubic root of 530312153 is about 809.4260797566.

Adding to 530312153 its reverse (351213035), we get a palindrome (881525188).

The spelling of 530312153 in words is "five hundred thirty million, three hundred twelve thousand, one hundred fifty-three".

Divisors: 1 7 49 317 2219 15533 34141 238987 1672909 10822697 75758879 530312153