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530162531 = 853621527
BaseRepresentation
bin11111100110011…
…010001101100011
31100221121001021022
4133212122031203
52041210200111
6124335120055
716065210233
oct3746321543
91327531238
10530162531
11252298a58
1212967302b
1385ab6052
14505a7cc3
15318252db
hex1f99a363

530162531 has 4 divisors (see below), whose sum is σ = 530784912. Its totient is φ = 529540152.

The previous prime is 530162519. The next prime is 530162537. The reversal of 530162531 is 135261035.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-530162531 is a prime.

It is a super-2 number, since 2×5301625312 = 562144618552651922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 530162531.

It is not an unprimeable number, because it can be changed into a prime (530162537) 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 3 ways as a sum of consecutive naturals, for example, 309911 + ... + 311616.

It is an arithmetic number, because the mean of its divisors is an integer number (132696228).

Almost surely, 2530162531 is an apocalyptic number.

530162531 is a deficient number, since it is larger than the sum of its proper divisors (622381).

530162531 is an equidigital number, since it uses as much as digits as its factorization.

530162531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622380.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 530162531 is about 23025.2585436081. The cubic root of 530162531 is about 809.3499489094.

The spelling of 530162531 in words is "five hundred thirty million, one hundred sixty-two thousand, five hundred thirty-one".

Divisors: 1 853 621527 530162531