Search a number
-
+
489404120 = 235235310037
BaseRepresentation
bin11101001010111…
…011011011011000
31021002220022020112
4131022323123120
52000241412440
6120321343452
715061603112
oct3512733330
91232808215
10489404120
1123128a617
12117a97b88
137a51524a
1448dd83b2
152ce73965
hex1d2bb6d8

489404120 has 64 divisors (see below), whose sum is σ = 1170832320. Its totient is φ = 183698944.

The previous prime is 489404119. The next prime is 489404129. The reversal of 489404120 is 21404984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489404129) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 43742 + ... + 53778.

It is an arithmetic number, because the mean of its divisors is an integer number (18294255).

Almost surely, 2489404120 is an apocalyptic number.

489404120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489404120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (585416160).

489404120 is an abundant number, since it is smaller than the sum of its proper divisors (681428200).

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

489404120 is a wasteful number, since it uses less digits than its factorization.

489404120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10124 (or 10120 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 489404120 is about 22122.4799694790. The cubic root of 489404120 is about 788.0538111620.

The spelling of 489404120 in words is "four hundred eighty-nine million, four hundred four thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 23 40 46 53 92 106 115 184 212 230 265 424 460 530 920 1060 1219 2120 2438 4876 6095 9752 10037 12190 20074 24380 40148 48760 50185 80296 100370 200740 230851 401480 461702 531961 923404 1063922 1154255 1846808 2127844 2308510 2659805 4255688 4617020 5319610 9234040 10639220 12235103 21278440 24470206 48940412 61175515 97880824 122351030 244702060 489404120