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489869562 = 237213671913
BaseRepresentation
bin11101001100101…
…101000011111010
31021010202221201010
4131030231003322
52000401311222
6120335334350
715065552100
oct3514550372
91233687633
10489869562
11231578286
121180813b6
137a649060
14490b9c70
152d01680c
hex1d32d0fa

489869562 has 96 divisors (see below), whose sum is σ = 1246335552. Its totient is φ = 127201536.

The previous prime is 489869561. The next prime is 489869563. The reversal of 489869562 is 265968984.

It is an interprime number because it is at equal distance from previous prime (489869561) and next prime (489869563).

It is not an unprimeable number, because it can be changed into a prime (489869561) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 255118 + ... + 257030.

It is an arithmetic number, because the mean of its divisors is an integer number (12982662).

Almost surely, 2489869562 is an apocalyptic number.

489869562 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 489869562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (623167776).

489869562 is an abundant number, since it is smaller than the sum of its proper divisors (756465990).

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

489869562 is a wasteful number, since it uses less digits than its factorization.

489869562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012 (or 2005 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 57.

The square root of 489869562 is about 22132.9971309807. The cubic root of 489869562 is about 788.3035550923.

The spelling of 489869562 in words is "four hundred eighty-nine million, eight hundred sixty-nine thousand, five hundred sixty-two".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 49 67 78 91 98 134 147 182 201 273 294 402 469 546 637 871 938 1274 1407 1742 1911 1913 2613 2814 3283 3822 3826 5226 5739 6097 6566 9849 11478 12194 13391 18291 19698 24869 26782 36582 40173 42679 49738 74607 80346 85358 93737 128037 128171 149214 174083 187474 256074 256342 281211 348166 384513 522249 562422 769026 897197 1044498 1218581 1666223 1794394 2437162 2691591 3332446 3655743 4998669 5383182 6280379 7311486 9997338 11663561 12560758 18841137 23327122 34990683 37682274 69981366 81644927 163289854 244934781 489869562