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530670218 = 213104919457
BaseRepresentation
bin11111101000010…
…110001010001010
31100222112211200112
4133220112022022
52041322421333
6124354034322
716102423331
oct3750261212
91328484615
10530670218
11252605431
121298789a2
1385c33160
145069ad18
15318c5948
hex1fa1628a

530670218 has 16 divisors (see below), whose sum is σ = 858097800. Its totient is φ = 244678656.

The previous prime is 530670163. The next prime is 530670221. The reversal of 530670218 is 812076035.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 513339649 + 17330569 = 22657^2 + 4163^2 .

It is a super-2 number, since 2×5306702182 = 563221760544335048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17546 + ... + 37002.

Almost surely, 2530670218 is an apocalyptic number.

530670218 is a deficient number, since it is larger than the sum of its proper divisors (327427582).

530670218 is a wasteful number, since it uses less digits than its factorization.

530670218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20521.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 530670218 is about 23036.2804723332. The cubic root of 530670218 is about 809.6082127022.

The spelling of 530670218 in words is "five hundred thirty million, six hundred seventy thousand, two hundred eighteen".

Divisors: 1 2 13 26 1049 2098 13637 19457 27274 38914 252941 505882 20410393 40820786 265335109 530670218