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530489894 = 211223191499
BaseRepresentation
bin11111100111101…
…010001000100110
31100222012200022212
4133213222020212
52041301134034
6124350123422
716101042524
oct3747521046
91328180285
10530489894
112524a1a00
121297b0572
1385b9c05c
1450651314
153188c2ce
hex1f9ea226

530489894 has 48 divisors (see below), whose sum is σ = 919296000. Its totient is φ = 228980400.

The previous prime is 530489881. The next prime is 530489941. The reversal of 530489894 is 498984035.

It is a happy number.

It is a super-2 number, since 2×5304898942 = 562839055272262472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1062857 + ... + 1063355.

It is an arithmetic number, because the mean of its divisors is an integer number (19152000).

Almost surely, 2530489894 is an apocalyptic number.

530489894 is a deficient number, since it is larger than the sum of its proper divisors (388806106).

530489894 is a wasteful number, since it uses less digits than its factorization.

530489894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 50.

The square root of 530489894 is about 23032.3662266820. The cubic root of 530489894 is about 809.5164995404.

The spelling of 530489894 in words is "five hundred thirty million, four hundred eighty-nine thousand, eight hundred ninety-four".

Divisors: 1 2 11 22 23 46 121 191 242 253 382 499 506 998 2101 2783 4202 4393 5489 5566 8786 10978 11477 22954 23111 46222 48323 60379 95309 96646 120758 126247 190618 252494 531553 1048399 1063106 1388717 2096798 2192107 2777434 4384214 11532389 23064778 24113177 48226354 265244947 530489894