Search a number
-
+
489311712 = 25331941727
BaseRepresentation
bin11101001010100…
…100110111100000
31021002201121111000
4131022210313200
52000230433322
6120315352000
715061036521
oct3512446740
91232647430
10489311712
1123122714a
12117a52600
137a4b2176
1448db2848
152ce563ac
hex1d2a4de0

489311712 has 192 divisors, whose sum is σ = 1541030400. Its totient is φ = 150543360.

The previous prime is 489311687. The next prime is 489311723. The reversal of 489311712 is 217113984.

It is a happy number.

489311712 is a `hidden beast` number, since 489 + 3 + 1 + 171 + 2 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 672693 + ... + 673419.

It is an arithmetic number, because the mean of its divisors is an integer number (8026200).

Almost surely, 2489311712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489311712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (770515200).

489311712 is an abundant number, since it is smaller than the sum of its proper divisors (1051718688).

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

489311712 is a wasteful number, since it uses less digits than its factorization.

489311712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806 (or 792 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 489311712 is about 22120.3913166110. The cubic root of 489311712 is about 788.0042086233.

The spelling of 489311712 in words is "four hundred eighty-nine million, three hundred eleven thousand, seven hundred twelve".