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489548448 = 2534188869
BaseRepresentation
bin11101001011011…
…110101010100000
31021010011122020000
4131023132222200
52000311022243
6120324420000
715063043644
oct3513365240
91233148200
10489548448
11231378aa4
12117b47600
137a565b4c
1449034c24
152cea15d3
hex1d2deaa0

489548448 has 60 divisors (see below), whose sum is σ = 1439756010. Its totient is φ = 163181952.

The previous prime is 489548447. The next prime is 489548453. The reversal of 489548448 is 844845984.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 314991504 + 174556944 = 17748^2 + 13212^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 489548394 and 489548403.

It is not an unprimeable number, because it can be changed into a prime (489548447) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 91843 + ... + 97026.

Almost surely, 2489548448 is an apocalyptic number.

489548448 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

489548448 is an abundant number, since it is smaller than the sum of its proper divisors (950207562).

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

489548448 is a wasteful number, since it uses less digits than its factorization.

489548448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188891 (or 188874 counting only the distinct ones).

The product of its digits is 5898240, while the sum is 54.

The square root of 489548448 is about 22125.7417502781. The cubic root of 489548448 is about 788.1312707004.

The spelling of 489548448 in words is "four hundred eighty-nine million, five hundred forty-eight thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 108 144 162 216 288 324 432 648 864 1296 2592 188869 377738 566607 755476 1133214 1510952 1699821 2266428 3021904 3399642 4532856 5099463 6043808 6799284 9065712 10198926 13598568 15298389 18131424 20397852 27197136 30596778 40795704 54394272 61193556 81591408 122387112 163182816 244774224 489548448