Search a number
-
+
489220752 = 24310192099
BaseRepresentation
bin11101001010001…
…110101010010000
31021002112222201010
4131022032222100
52000220031002
6120313410520
715060210366
oct3512165220
91232488633
10489220752
11231174879
12117a09a40
137a47c947
1448d8b636
152ce3946c
hex1d28ea90

489220752 has 20 divisors (see below), whose sum is σ = 1263820400. Its totient is φ = 163073568.

The previous prime is 489220751. The next prime is 489220757. The reversal of 489220752 is 257022984.

It is a self number, because there is not a number n which added to its sum of digits gives 489220752.

It is not an unprimeable number, because it can be changed into a prime (489220751) by changing a digit.

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, 5096002 + ... + 5096097.

It is an arithmetic number, because the mean of its divisors is an integer number (63191020).

Almost surely, 2489220752 is an apocalyptic number.

It is an amenable number.

489220752 is an abundant number, since it is smaller than the sum of its proper divisors (774599648).

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

489220752 is a wasteful number, since it uses less digits than its factorization.

489220752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10192110 (or 10192104 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 489220752 is about 22118.3351995579. The cubic root of 489220752 is about 787.9553772390.

The spelling of 489220752 in words is "four hundred eighty-nine million, two hundred twenty thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 10192099 20384198 30576297 40768396 61152594 81536792 122305188 163073584 244610376 489220752