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489492360 = 233257227749
BaseRepresentation
bin11101001011010…
…000111110001000
31021010001210021200
4131023100332020
52000302223420
6120323304200
715062421300
oct3513207610
91233053250
10489492360
1123133a945
12117b1b060
137a546466
144901c600
152ce8eb90
hex1d2d0f88

489492360 has 144 divisors (see below), whose sum is σ = 1850647500. Its totient is φ = 111879936.

The previous prime is 489492343. The next prime is 489492403. The reversal of 489492360 is 63294984.

It can be written as a sum of positive squares in 2 ways, for example, as 471497796 + 17994564 = 21714^2 + 4242^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 3766 + ... + 31514.

Almost surely, 2489492360 is an apocalyptic number.

489492360 is a gapful number since it is divisible by the number (40) 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 489492360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (925323750).

489492360 is an abundant number, since it is smaller than the sum of its proper divisors (1361155140).

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

489492360 is a wasteful number, since it uses less digits than its factorization.

489492360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27780 (or 27766 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 489492360 is about 22124.4742310411. The cubic root of 489492360 is about 788.1011705845.

The spelling of 489492360 in words is "four hundred eighty-nine million, four hundred ninety-two thousand, three hundred sixty".

Divisors: 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 40 42 45 49 56 60 63 70 72 84 90 98 105 120 126 140 147 168 180 196 210 245 252 280 294 315 360 392 420 441 490 504 588 630 735 840 882 980 1176 1260 1470 1764 1960 2205 2520 2940 3528 4410 5880 8820 17640 27749 55498 83247 110996 138745 166494 194243 221992 249741 277490 332988 388486 416235 499482 554980 582729 665976 776972 832470 971215 998964 1109960 1165458 1248705 1359701 1553944 1664940 1748187 1942430 1997928 2330916 2497410 2719402 2913645 3329880 3496374 3884860 4079103 4661832 4994820 5438804 5827290 6798505 6992748 7769720 8158206 8740935 9989640 10877608 11654580 12237309 13597010 13985496 16316412 17481870 20395515 23309160 24474618 27194020 32632824 34963740 40791030 48949236 54388040 61186545 69927480 81582060 97898472 122373090 163164120 244746180 489492360