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489631792 = 241323310103
BaseRepresentation
bin11101001011110…
…011000000110000
31021010022212112211
4131023303000300
52000321204132
6120330301504
715063541636
oct3513630060
91233285484
10489631792
11231425681
12117b87894
137a594a70
1449057356
152cebb147
hex1d2f3030

489631792 has 40 divisors (see below), whose sum is σ = 1026121824. Its totient is φ = 224991744.

The previous prime is 489631789. The next prime is 489631819. The reversal of 489631792 is 297136984.

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 7 ways as a sum of consecutive naturals, for example, 43413 + ... + 53515.

Almost surely, 2489631792 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 489631792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (513060912).

489631792 is an abundant number, since it is smaller than the sum of its proper divisors (536490032).

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

489631792 is a wasteful number, since it uses less digits than its factorization.

489631792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10357 (or 10351 counting only the distinct ones).

The product of its digits is 653184, while the sum is 49.

The square root of 489631792 is about 22127.6250872072. The cubic root of 489631792 is about 788.1759937410.

The spelling of 489631792 in words is "four hundred eighty-nine million, six hundred thirty-one thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 13 16 26 52 104 208 233 466 932 1864 3029 3728 6058 10103 12116 20206 24232 40412 48464 80824 131339 161648 262678 525356 1050712 2101424 2353999 4707998 9415996 18831992 30601987 37663984 61203974 122407948 244815896 489631792