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530071644 = 22350998663
BaseRepresentation
bin11111100110000…
…100000001011100
31100221102102121010
4133212010001130
52041144243034
6124333135220
716064351244
oct3746040134
91327372533
10530071644
11252236743
1212962a510
1385a8387b
1450582b24
15318083e9
hex1f98405c

530071644 has 24 divisors (see below), whose sum is σ = 1237219200. Its totient is φ = 176635504.

The previous prime is 530071637. The next prime is 530071649. The reversal of 530071644 is 446170035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530071649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56857 + ... + 65519.

It is an arithmetic number, because the mean of its divisors is an integer number (51550800).

Almost surely, 2530071644 is an apocalyptic number.

It is an amenable number.

530071644 is an abundant number, since it is smaller than the sum of its proper divisors (707147556).

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

530071644 is a wasteful number, since it uses less digits than its factorization.

530071644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13769 (or 13767 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 530071644 is about 23023.2848221100. The cubic root of 530071644 is about 809.3036966827.

The spelling of 530071644 in words is "five hundred thirty million, seventy-one thousand, six hundred forty-four".

Divisors: 1 2 3 4 6 12 5099 8663 10198 15297 17326 20396 25989 30594 34652 51978 61188 103956 44172637 88345274 132517911 176690548 265035822 530071644