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530658880 = 2651658309
BaseRepresentation
bin11111101000010…
…011011001000000
31100222112021010121
4133220103121000
52041322041010
6124353510024
716102345303
oct3750233100
91328467117
10530658880
112525a7964
12129872314
1385c2ac4b
1450696b3a
15318c23da
hex1fa13640

530658880 has 28 divisors (see below), whose sum is σ = 1263632220. Its totient is φ = 212263424.

The previous prime is 530658841. The next prime is 530658889. The reversal of 530658880 is 88856035.

530658880 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 76457536 + 454201344 = 8744^2 + 21312^2 .

It is not an unprimeable number, because it can be changed into a prime (530658889) 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 3 ways as a sum of consecutive naturals, for example, 828835 + ... + 829474.

Almost surely, 2530658880 is an apocalyptic number.

It is an amenable number.

530658880 is an abundant number, since it is smaller than the sum of its proper divisors (732973340).

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

530658880 is a wasteful number, since it uses less digits than its factorization.

530658880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658326 (or 1658316 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 43.

The square root of 530658880 is about 23036.0343809433. The cubic root of 530658880 is about 809.6024467839.

The spelling of 530658880 in words is "five hundred thirty million, six hundred fifty-eight thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 1658309 3316618 6633236 8291545 13266472 16583090 26532944 33166180 53065888 66332360 106131776 132664720 265329440 530658880