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530545133 = 919577307
BaseRepresentation
bin11111100111110…
…111100111101101
31100222022111002202
4133213313213231
52041304421013
6124351231245
716101362546
oct3747674755
91328274082
10530545133
1125252a458
12129818525
1385bbb241
14506674cd
153189d858
hex1f9f79ed

530545133 has 4 divisors (see below), whose sum is σ = 531123360. Its totient is φ = 529966908.

The previous prime is 530545123. The next prime is 530545181. The reversal of 530545133 is 331545035.

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: 331545035 = 566309007.

It is a cyclic number.

It is not a de Polignac number, because 530545133 - 228 = 262109677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 530545096 and 530545105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530545123) 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, 287735 + ... + 289572.

It is an arithmetic number, because the mean of its divisors is an integer number (132780840).

Almost surely, 2530545133 is an apocalyptic number.

It is an amenable number.

530545133 is a deficient number, since it is larger than the sum of its proper divisors (578227).

530545133 is an equidigital number, since it uses as much as digits as its factorization.

530545133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578226.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 530545133 is about 23033.5653558020. The cubic root of 530545133 is about 809.5445964187.

The spelling of 530545133 in words is "five hundred thirty million, five hundred forty-five thousand, one hundred thirty-three".

Divisors: 1 919 577307 530545133