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489481408 = 26131734607
BaseRepresentation
bin11101001011001…
…110010011000000
31021010001020021001
4131023032103000
52000301401113
6120323141344
715062344333
oct3513162300
91233036231
10489481408
11231332699
12117b14854
137a541490
144901861a
152ce8b7dd
hex1d2ce4c0

489481408 has 56 divisors (see below), whose sum is σ = 1107594432. Its totient is φ = 212619264.

The previous prime is 489481403. The next prime is 489481417. The reversal of 489481408 is 804184984.

It is not an unprimeable number, because it can be changed into a prime (489481403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3160 + ... + 31447.

It is an arithmetic number, because the mean of its divisors is an integer number (19778472).

Almost surely, 2489481408 is an apocalyptic number.

It is an amenable number.

489481408 is an abundant number, since it is smaller than the sum of its proper divisors (618113024).

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

489481408 is a wasteful number, since it uses less digits than its factorization.

489481408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34649 (or 34639 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 46.

The square root of 489481408 is about 22124.2267209500. The cubic root of 489481408 is about 788.0952928296.

The spelling of 489481408 in words is "four hundred eighty-nine million, four hundred eighty-one thousand, four hundred eight".

Divisors: 1 2 4 8 13 16 17 26 32 34 52 64 68 104 136 208 221 272 416 442 544 832 884 1088 1768 3536 7072 14144 34607 69214 138428 276856 449891 553712 588319 899782 1107424 1176638 1799564 2214848 2353276 3599128 4706552 7198256 7648147 9413104 14396512 15296294 18826208 28793024 30592588 37652416 61185176 122370352 244740704 489481408