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489732650 = 252118571039
BaseRepresentation
bin11101001100001…
…011101000101010
31021010111222220022
4131030023220222
52000332421100
6120332400442
715064441661
oct3514135052
91233458808
10489732650
11231494430
12118016122
137a5cb944
1449081dd8
152cedae85
hex1d30ba2a

489732650 has 48 divisors (see below), whose sum is σ = 995829120. Its totient is φ = 177705600.

The previous prime is 489732643. The next prime is 489732671. The reversal of 489732650 is 56237984.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 470831 + ... + 471869.

It is an arithmetic number, because the mean of its divisors is an integer number (20746440).

Almost surely, 2489732650 is an apocalyptic number.

489732650 is an abundant number, since it is smaller than the sum of its proper divisors (506096470).

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

489732650 is a wasteful number, since it uses less digits than its factorization.

489732650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919 (or 1914 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 489732650 is about 22129.9039762942. The cubic root of 489732650 is about 788.2301081443.

The spelling of 489732650 in words is "four hundred eighty-nine million, seven hundred thirty-two thousand, six hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 550 857 1039 1714 2078 4285 5195 8570 9427 10390 11429 18854 21425 22858 25975 42850 47135 51950 57145 94270 114290 235675 285725 471350 571450 890423 1780846 4452115 8904230 9794653 19589306 22260575 44521150 48973265 97946530 244866325 489732650