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530671572 = 223214740877
BaseRepresentation
bin11111101000010…
…110011111010100
31100222112220112200
4133220112133110
52041322442242
6124354044500
716102430304
oct3750263724
91328486480
10530671572
11252606452
12129879730
1385c33962
145069b604
15318c604c
hex1fa167d4

530671572 has 18 divisors (see below), whose sum is σ = 1341419898. Its totient is φ = 176890512.

The previous prime is 530671543. The next prime is 530671573. The reversal of 530671572 is 275176035.

530671572 is a `hidden beast` number, since 530 + 6 + 71 + 57 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 522853956 + 7817616 = 22866^2 + 2796^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×5306715722 = 563224634657902368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 14740877 = 530671572 / (5 + 3 + 0 + 6 + 7 + 1 + 5 + 7 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530671573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7370403 + ... + 7370474.

Almost surely, 2530671572 is an apocalyptic number.

It is an amenable number.

530671572 is an abundant number, since it is smaller than the sum of its proper divisors (810748326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

530671572 is a wasteful number, since it uses less digits than its factorization.

530671572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14740887 (or 14740882 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The square root of 530671572 is about 23036.3098607394. The cubic root of 530671572 is about 809.6089012708.

The spelling of 530671572 in words is "five hundred thirty million, six hundred seventy-one thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 36 14740877 29481754 44222631 58963508 88445262 132667893 176890524 265335786 530671572