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489123960 = 2335132411301
BaseRepresentation
bin11101001001110…
…111000001111000
31021002101001221020
4131021313001320
52000203431320
6120311342440
715056325243
oct3511670170
91232331836
10489123960
11231109086
12117981a20
137a447880
1448d6425a
152ce1a940
hex1d277078

489123960 has 128 divisors (see below), whose sum is σ = 1588023360. Its totient is φ = 119808000.

The previous prime is 489123959. The next prime is 489123977. The reversal of 489123960 is 69321984.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 375310 + ... + 376610.

Almost surely, 2489123960 is an apocalyptic number.

489123960 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 489123960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (794011680).

489123960 is an abundant number, since it is smaller than the sum of its proper divisors (1098899400).

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

489123960 is a wasteful number, since it uses less digits than its factorization.

489123960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569 (or 1565 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 489123960 is about 22116.1470423761. The cubic root of 489123960 is about 787.9034083293.

The spelling of 489123960 in words is "four hundred eighty-nine million, one hundred twenty-three thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 104 120 130 156 195 241 260 312 390 482 520 723 780 964 1205 1301 1446 1560 1928 2410 2602 2892 3133 3615 3903 4820 5204 5784 6266 6505 7230 7806 9399 9640 10408 12532 13010 14460 15612 15665 16913 18798 19515 25064 26020 28920 31224 31330 33826 37596 39030 46995 50739 52040 62660 67652 75192 78060 84565 93990 101478 125320 135304 156120 169130 187980 202956 253695 313541 338260 375960 405912 507390 627082 676520 940623 1014780 1254164 1567705 1881246 2029560 2508328 3135410 3762492 4076033 4703115 6270820 7524984 8152066 9406230 12228099 12541640 16304132 18812460 20380165 24456198 32608264 37624920 40760330 48912396 61140495 81520660 97824792 122280990 163041320 244561980 489123960