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530541111 = 3176847037
BaseRepresentation
bin11111100111110…
…110101000110111
31100222022021120210
4133213312220313
52041304303421
6124351200503
716101345042
oct3747665067
91328267523
10530541111
11252527431
12129816133
1385bb9469
1450665c59
153189c576
hex1f9f6a37

530541111 has 4 divisors (see below), whose sum is σ = 707388152. Its totient is φ = 353694072.

The previous prime is 530541101. The next prime is 530541127. The reversal of 530541111 is 111145035.

It is a happy number.

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

It is not a de Polignac number, because 530541111 - 29 = 530540599 is a prime.

It is a super-2 number, since 2×5305411112 = 562947740922228642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530541101) 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, 88423516 + ... + 88423521.

It is an arithmetic number, because the mean of its divisors is an integer number (176847038).

Almost surely, 2530541111 is an apocalyptic number.

530541111 is a deficient number, since it is larger than the sum of its proper divisors (176847041).

530541111 is a wasteful number, since it uses less digits than its factorization.

530541111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176847040.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 530541111 is about 23033.4780482670. The cubic root of 530541111 is about 809.5425507262.

Adding to 530541111 its reverse (111145035), we get a palindrome (641686146).

The spelling of 530541111 in words is "five hundred thirty million, five hundred forty-one thousand, one hundred eleven".

Divisors: 1 3 176847037 530541111