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489508284 = 223291406633
BaseRepresentation
bin11101001011010…
…100110110111100
31021010002121010110
4131023110312330
52000303231114
6120323510020
715062515566
oct3513246674
91233077113
10489508284
11231350901
12117b28310
137a550795
1449024336
152ce94759
hex1d2d4dbc

489508284 has 24 divisors (see below), whose sum is σ = 1181572560. Its totient is φ = 157542784.

The previous prime is 489508273. The next prime is 489508291. The reversal of 489508284 is 482805984.

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 7 ways as a sum of consecutive naturals, for example, 702969 + ... + 703664.

It is an arithmetic number, because the mean of its divisors is an integer number (49232190).

Almost surely, 2489508284 is an apocalyptic number.

It is an amenable number.

489508284 is an abundant number, since it is smaller than the sum of its proper divisors (692064276).

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

489508284 is a wasteful number, since it uses less digits than its factorization.

489508284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406669 (or 1406667 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The square root of 489508284 is about 22124.8341010729. The cubic root of 489508284 is about 788.1097165721.

The spelling of 489508284 in words is "four hundred eighty-nine million, five hundred eight thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 1406633 2813266 4219899 5626532 8439798 16879596 40792357 81584714 122377071 163169428 244754142 489508284