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489409948 = 22412984207
BaseRepresentation
bin11101001010111…
…100110110011100
31021002220121020101
4131022330312130
52000242104243
6120321430444
715061626106
oct3512746634
91232817211
10489409948
11231293a35
12117a9b424
137a517ab1
1448dda576
152ce7554d
hex1d2bcd9c

489409948 has 12 divisors (see below), whose sum is σ = 877357152. Its totient is φ = 238736480.

The previous prime is 489409933. The next prime is 489409951. The reversal of 489409948 is 849904984.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1491940 + ... + 1492267.

It is an arithmetic number, because the mean of its divisors is an integer number (73113096).

Almost surely, 2489409948 is an apocalyptic number.

It is an amenable number.

489409948 is a deficient number, since it is larger than the sum of its proper divisors (387947204).

489409948 is a wasteful number, since it uses less digits than its factorization.

489409948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2984252 (or 2984250 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 55.

The square root of 489409948 is about 22122.6116903046. The cubic root of 489409948 is about 788.0569392922.

The spelling of 489409948 in words is "four hundred eighty-nine million, four hundred nine thousand, nine hundred forty-eight".

Divisors: 1 2 4 41 82 164 2984207 5968414 11936828 122352487 244704974 489409948