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530142511 = 550396337
BaseRepresentation
bin11111100110010…
…101010100101111
31100221120000210211
4133212111110233
52041204030021
6124334443251
716065064663
oct3746252457
91327500724
10530142511
11252284a08
12129663527
1385aa9bc2
14505a08a3
153181e3e1
hex1f99552f

530142511 has 4 divisors (see below), whose sum is σ = 530244352. Its totient is φ = 530040672.

The previous prime is 530142449. The next prime is 530142523. The reversal of 530142511 is 115241035.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 530142511 - 211 = 530140463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530142311) 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, 42666 + ... + 53671.

It is an arithmetic number, because the mean of its divisors is an integer number (132561088).

Almost surely, 2530142511 is an apocalyptic number.

530142511 is a deficient number, since it is larger than the sum of its proper divisors (101841).

530142511 is an equidigital number, since it uses as much as digits as its factorization.

530142511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101840.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 530142511 is about 23024.8237995430. The cubic root of 530142511 is about 809.3397612223.

Adding to 530142511 its reverse (115241035), we get a palindrome (645383546).

The spelling of 530142511 in words is "five hundred thirty million, one hundred forty-two thousand, five hundred eleven".

Divisors: 1 5503 96337 530142511