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530145329 = 775735047
BaseRepresentation
bin11111100110010…
…110000000110001
31100221120011200012
4133212112000301
52041204122304
6124334504305
716065106130
oct3746260061
91327504605
10530145329
1125228703a
12129665095
1385aab27c
14505a1917
153182016e
hex1f996031

530145329 has 4 divisors (see below), whose sum is σ = 605880384. Its totient is φ = 454410276.

The previous prime is 530145281. The next prime is 530145337. The reversal of 530145329 is 923541035.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 923541035 = 5184708207.

It is a cyclic number.

It is not a de Polignac number, because 530145329 - 28 = 530145073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 530145295 and 530145304.

It is not an unprimeable number, because it can be changed into a prime (530145389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37867517 + ... + 37867530.

It is an arithmetic number, because the mean of its divisors is an integer number (151470096).

Almost surely, 2530145329 is an apocalyptic number.

It is an amenable number.

530145329 is a deficient number, since it is larger than the sum of its proper divisors (75735055).

530145329 is an equidigital number, since it uses as much as digits as its factorization.

530145329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75735054.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 530145329 is about 23024.8849942839. The cubic root of 530145329 is about 809.3411952489.

The spelling of 530145329 in words is "five hundred thirty million, one hundred forty-five thousand, three hundred twenty-nine".

Divisors: 1 7 75735047 530145329