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489683412 = 2232471671733
BaseRepresentation
bin11101001011111…
…111100111010100
31021010102111100200
4131023333213110
52000324332122
6120331340500
715064145301
oct3513774724
91233374320
10489683412
11231460439
12117bb1730
137a5b23ca
144906c0a8
152cecb5ac
hex1d2ff9d4

489683412 has 72 divisors (see below), whose sum is σ = 1272450816. Its totient is φ = 158706624.

The previous prime is 489683407. The next prime is 489683413. The reversal of 489683412 is 214386984.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489683413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 281698 + ... + 283430.

It is an arithmetic number, because the mean of its divisors is an integer number (17672928).

Almost surely, 2489683412 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 489683412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (636225408).

489683412 is an abundant number, since it is smaller than the sum of its proper divisors (782767404).

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

489683412 is a wasteful number, since it uses less digits than its factorization.

489683412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957 (or 1952 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 489683412 is about 22128.7914717456. The cubic root of 489683412 is about 788.2036908907.

The spelling of 489683412 in words is "four hundred eighty-nine million, six hundred eighty-three thousand, four hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 47 94 141 167 188 282 334 423 501 564 668 846 1002 1503 1692 1733 2004 3006 3466 5199 6012 6932 7849 10398 15597 15698 20796 23547 31194 31396 47094 62388 70641 81451 94188 141282 162902 244353 282564 289411 325804 488706 578822 733059 868233 977412 1157644 1466118 1736466 2604699 2932236 3472932 5209398 10418796 13602317 27204634 40806951 54409268 81613902 122420853 163227804 244841706 489683412