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530722668 = 2237193171049
BaseRepresentation
bin11111101000100…
…010111101101100
31100222122111122010
4133220202331230
52041331111133
6124355121220
716103032260
oct3750427554
91328574563
10530722668
11252640883
121298a3210
1385c50ca8
14506b20a0
15318d6263
hex1fa22f6c

530722668 has 96 divisors (see below), whose sum is σ = 1495872000. Its totient is φ = 143064576.

The previous prime is 530722639. The next prime is 530722679. The reversal of 530722668 is 866227035.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 505408 + ... + 506456.

It is an arithmetic number, because the mean of its divisors is an integer number (15582000).

Almost surely, 2530722668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 530722668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (747936000).

530722668 is an abundant number, since it is smaller than the sum of its proper divisors (965149332).

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

530722668 is a wasteful number, since it uses less digits than its factorization.

530722668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399 (or 1397 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 530722668 is about 23037.4188658365. The cubic root of 530722668 is about 809.6348849809.

The spelling of 530722668 in words is "five hundred thirty million, seven hundred twenty-two thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 19 21 28 38 42 57 76 84 114 133 228 266 317 399 532 634 798 951 1049 1268 1596 1902 2098 2219 3147 3804 4196 4438 6023 6294 6657 7343 8876 12046 12588 13314 14686 18069 19931 22029 24092 26628 29372 36138 39862 42161 44058 59793 72276 79724 84322 88116 119586 126483 139517 168644 239172 252966 279034 332533 418551 505932 558068 665066 837102 997599 1330132 1674204 1995198 2327731 3990396 4655462 6318127 6983193 9310924 12636254 13966386 18954381 25272508 27932772 37908762 44226889 75817524 88453778 132680667 176907556 265361334 530722668