Search a number
-
+
489148 = 221111117
BaseRepresentation
bin1110111011010111100
3220211222121
41313122330
5111123043
614252324
74105042
oct1673274
9824877
10489148
11304560
121b70a4
1314184a
14ca392
1599ded
hex776bc

489148 has 12 divisors (see below), whose sum is σ = 933912. Its totient is φ = 222320.

The previous prime is 489133. The next prime is 489157. The reversal of 489148 is 841984.

It is a congruent number.

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, 5515 + ... + 5602.

It is an arithmetic number, because the mean of its divisors is an integer number (77826).

2489148 is an apocalyptic number.

It is an amenable number.

489148 is a deficient number, since it is larger than the sum of its proper divisors (444764).

489148 is a wasteful number, since it uses less digits than its factorization.

489148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11132 (or 11130 counting only the distinct ones).

The product of its digits is 9216, while the sum is 34.

The square root of 489148 is about 699.3911637989. The cubic root of 489148 is about 78.7916316364.

Subtracting 489148 from its reverse (841984), we obtain a square (352836 = 5942).

The spelling of 489148 in words is "four hundred eighty-nine thousand, one hundred forty-eight".

Divisors: 1 2 4 11 22 44 11117 22234 44468 122287 244574 489148