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489498146 = 21132165921
BaseRepresentation
bin11101001011010…
…010011000100010
31021010002002012222
4131023102120202
52000302420041
6120323351042
715062444204
oct3513223042
91233062188
10489498146
11231344225
12117b22482
137a548c97
1449020774
152ce9174b
hex1d2d2622

489498146 has 8 divisors (see below), whose sum is σ = 740745324. Its totient is φ = 242583040.

The previous prime is 489498101. The next prime is 489498151. The reversal of 489498146 is 641894984.

It can be written as a sum of positive squares in 2 ways, for example, as 439950625 + 49547521 = 20975^2 + 7039^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1082735 + ... + 1083186.

Almost surely, 2489498146 is an apocalyptic number.

489498146 is a deficient number, since it is larger than the sum of its proper divisors (251247178).

489498146 is a wasteful number, since it uses less digits than its factorization.

489498146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2166036.

The product of its digits is 1990656, while the sum is 53.

The square root of 489498146 is about 22124.6049908241. The cubic root of 489498146 is about 788.1042757984.

The spelling of 489498146 in words is "four hundred eighty-nine million, four hundred ninety-eight thousand, one hundred forty-six".

Divisors: 1 2 113 226 2165921 4331842 244749073 489498146