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489769600 = 2752413733
BaseRepresentation
bin11101001100010…
…100101010000000
31021010120212120211
4131030110222000
52000340111400
6120333243504
715064654465
oct3514245200
91233525524
10489769600
1123150a171
12118033594
137a6126c8
144909166c
152cee6dba
hex1d314a80

489769600 has 96 divisors (see below), whose sum is σ = 1239725340. Its totient is φ = 191078400.

The previous prime is 489769583. The next prime is 489769619. The reversal of 489769600 is 6967984.

It can be written as a sum of positive squares in 6 ways, for example, as 69355584 + 420414016 = 8328^2 + 20504^2 .

It is a super-2 number, since 2×4897696002 = 479748522168320000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129334 + ... + 133066.

Almost surely, 2489769600 is an apocalyptic number.

489769600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489769600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (619862670).

489769600 is an abundant number, since it is smaller than the sum of its proper divisors (749955740).

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

489769600 is a wasteful number, since it uses less digits than its factorization.

489769600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3798 (or 3781 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 489769600 is about 22130.7388037544. The cubic root of 489769600 is about 788.2499314567.

The spelling of 489769600 in words is "four hundred eighty-nine million, seven hundred sixty-nine thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 41 50 64 80 82 100 128 160 164 200 205 320 328 400 410 640 656 800 820 1025 1312 1600 1640 2050 2624 3200 3280 3733 4100 5248 6560 7466 8200 13120 14932 16400 18665 26240 29864 32800 37330 59728 65600 74660 93325 119456 131200 149320 153053 186650 238912 298640 306106 373300 477824 597280 612212 746600 765265 1194560 1224424 1493200 1530530 2389120 2448848 2986400 3061060 3826325 4897696 5972800 6122120 7652650 9795392 11945600 12244240 15305300 19590784 24488480 30610600 48976960 61221200 97953920 122442400 244884800 489769600