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489742932 = 223767173503
BaseRepresentation
bin11101001100001…
…110001001010100
31021010112112000010
4131030032021110
52000333233212
6120332520220
715064513650
oct3514161124
91233475003
10489742932
112314a1128
12118020070
137a603523
1449085a60
152cede03c
hex1d30e254

489742932 has 96 divisors (see below), whose sum is σ = 1335785472. Its totient is φ = 136768896.

The previous prime is 489742921. The next prime is 489742937. The reversal of 489742932 is 239247984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489742937) 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 31 ways as a sum of consecutive naturals, for example, 973393 + ... + 973895.

It is an arithmetic number, because the mean of its divisors is an integer number (13914432).

Almost surely, 2489742932 is an apocalyptic number.

489742932 is a gapful number since it is divisible by the number (42) 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 489742932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (667892736).

489742932 is an abundant number, since it is smaller than the sum of its proper divisors (846042540).

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

489742932 is a wasteful number, since it uses less digits than its factorization.

489742932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757 (or 755 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The square root of 489742932 is about 22130.1362851655. The cubic root of 489742932 is about 788.2356244365.

The spelling of 489742932 in words is "four hundred eighty-nine million, seven hundred forty-two thousand, nine hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 67 84 134 173 201 268 346 402 469 503 519 692 804 938 1006 1038 1211 1407 1509 1876 2012 2076 2422 2814 3018 3521 3633 4844 5628 6036 7042 7266 10563 11591 14084 14532 21126 23182 33701 34773 42252 46364 67402 69546 81137 87019 101103 134804 139092 162274 174038 202206 235907 243411 261057 324548 348076 404412 471814 486822 522114 609133 707721 943628 973644 1044228 1218266 1415442 1827399 2436532 2830884 3654798 5830273 7309596 11660546 17490819 23321092 34981638 40811911 69963276 81623822 122435733 163247644 244871466 489742932