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489238344 = 2332721011373
BaseRepresentation
bin11101001010010…
…010111101001000
31021002120212211200
4131022102331020
52000221111334
6120314024200
715060312600
oct3512227510
91232525750
10489238344
11231187011
12117a18060
137a48795a
1448d93c00
152ce3e799
hex1d292f48

489238344 has 144 divisors (see below), whose sum is σ = 1557745020. Its totient is φ = 138297600.

The previous prime is 489238333. The next prime is 489238459. The reversal of 489238344 is 443832984.

It can be written as a sum of positive squares in 2 ways, for example, as 318622500 + 170615844 = 17850^2 + 13062^2 .

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 489238344.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 355642 + ... + 357014.

Almost surely, 2489238344 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 489238344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (778872510).

489238344 is an abundant number, since it is smaller than the sum of its proper divisors (1068506676).

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

489238344 is a wasteful number, since it uses less digits than its factorization.

489238344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500 (or 1486 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 489238344 is about 22118.7328750993. The cubic root of 489238344 is about 787.9648218812.

The spelling of 489238344 in words is "four hundred eighty-nine million, two hundred thirty-eight thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 49 56 63 72 84 98 101 126 147 168 196 202 252 294 303 392 404 441 504 588 606 707 808 882 909 1176 1212 1373 1414 1764 1818 2121 2424 2746 2828 3528 3636 4119 4242 4949 5492 5656 6363 7272 8238 8484 9611 9898 10984 12357 12726 14847 16476 16968 19222 19796 24714 25452 28833 29694 32952 38444 39592 44541 49428 50904 57666 59388 67277 76888 86499 89082 98856 115332 118776 134554 138673 172998 178164 201831 230664 269108 277346 345996 356328 403662 416019 538216 554692 605493 691992 807324 832038 970711 1109384 1210986 1248057 1614648 1664076 1941422 2421972 2496114 2912133 3328152 3882844 4843944 4992228 5824266 6794977 7765688 8736399 9984456 11648532 13589954 17472798 20384931 23297064 27179908 34945596 40769862 54359816 61154793 69891192 81539724 122309586 163079448 244619172 489238344