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489796144 = 2443711913
BaseRepresentation
bin11101001100011…
…011001000110000
31021010122012222221
4131030123020300
52000341434034
6120334010424
715065125045
oct3514331060
91233565887
10489796144
11231528102
12118046a14
137a621806
144909b1cc
152ceeebb4
hex1d31b230

489796144 has 20 divisors (see below), whose sum is σ = 971050696. Its totient is φ = 239202432.

The previous prime is 489796123. The next prime is 489796157. The reversal of 489796144 is 441697984.

It is a junction number, because it is equal to n+sod(n) for n = 489796091 and 489796100.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 355269 + ... + 356644.

Almost surely, 2489796144 is an apocalyptic number.

It is an amenable number.

489796144 is a deficient number, since it is larger than the sum of its proper divisors (481254552).

489796144 is a wasteful number, since it uses less digits than its factorization.

489796144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711964 (or 711958 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The square root of 489796144 is about 22131.3385044827. The cubic root of 489796144 is about 788.2641714369.

The spelling of 489796144 in words is "four hundred eighty-nine million, seven hundred ninety-six thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 43 86 172 344 688 711913 1423826 2847652 5695304 11390608 30612259 61224518 122449036 244898072 489796144