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489940272 = 24331766713
BaseRepresentation
bin11101001100111…
…110010100110000
31021010220112201000
4131030332110300
52000411042042
6120341042000
715066265203
oct3514762460
91233815630
10489940272
11231616418
121180b6300
137a6722b3
14490d793a
152d02c74c
hex1d33e530

489940272 has 80 divisors (see below), whose sum is σ = 1489056480. Its totient is φ = 153704448.

The previous prime is 489940271. The next prime is 489940277. The reversal of 489940272 is 272049984.

It is not an unprimeable number, because it can be changed into a prime (489940271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26013 + ... + 40700.

It is an arithmetic number, because the mean of its divisors is an integer number (18613206).

Almost surely, 2489940272 is an apocalyptic number.

It is an amenable number.

489940272 is an abundant number, since it is smaller than the sum of its proper divisors (999116208).

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

489940272 is a wasteful number, since it uses less digits than its factorization.

489940272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66747 (or 66735 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 489940272 is about 22134.5944620632. The cubic root of 489940272 is about 788.3414823740.

The spelling of 489940272 in words is "four hundred eighty-nine million, nine hundred forty thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 27 34 36 48 51 54 68 72 102 108 136 144 153 204 216 272 306 408 432 459 612 816 918 1224 1836 2448 3672 7344 66713 133426 200139 266852 400278 533704 600417 800556 1067408 1134121 1200834 1601112 1801251 2268242 2401668 3202224 3402363 3602502 4536484 4803336 6804726 7205004 9072968 9606672 10207089 13609452 14410008 18145936 20414178 27218904 28820016 30621267 40828356 54437808 61242534 81656712 122485068 163313424 244970136 489940272