Search a number
-
+
480765285 = 325711132821
BaseRepresentation
bin11100101001111…
…110010101100101
31020111122101222200
4130221332111211
51441033442120
6115412245113
714625303030
oct3451762545
91214571880
10480765285
1122741a090
12115010799
13787ac100
1447bca017
152c318e90
hex1ca7e565

480765285 has 144 divisors (see below), whose sum is σ = 1126389888. Its totient is φ = 184204800.

The previous prime is 480765283. The next prime is 480765289. The reversal of 480765285 is 582567084.

It is not a de Polignac number, because 480765285 - 21 = 480765283 is a prime.

It is a super-3 number, since 3×4807652853 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is a self number, because there is not a number n which added to its sum of digits gives 480765285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (480765281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 585175 + ... + 585995.

It is an arithmetic number, because the mean of its divisors is an integer number (7822152).

Almost surely, 2480765285 is an apocalyptic number.

480765285 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

480765285 is an abundant number, since it is smaller than the sum of its proper divisors (645624603).

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

480765285 is a wasteful number, since it uses less digits than its factorization.

480765285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The square root of 480765285 is about 21926.3605051089. The cubic root of 480765285 is about 783.3894169392.

It can be divided in two parts, 48076 and 5285, that added together give a square (53361 = 2312).

The spelling of 480765285 in words is "four hundred eighty million, seven hundred sixty-five thousand, two hundred eighty-five".

Divisors: 1 3 5 7 9 11 13 15 21 33 35 39 45 55 63 65 77 91 99 105 117 143 165 169 195 231 273 315 385 429 455 495 507 585 693 715 819 821 845 1001 1155 1183 1287 1365 1521 1859 2145 2463 2535 3003 3465 3549 4095 4105 5005 5577 5747 5915 6435 7389 7605 9009 9031 9295 10647 10673 12315 13013 15015 16731 17241 17745 27093 27885 28735 32019 36945 39039 45045 45155 51723 53235 53365 63217 65065 74711 81279 83655 86205 96057 117117 117403 135465 138749 160095 189651 195195 224133 258615 316085 352209 373555 406395 416247 480285 568953 585585 587015 672399 693745 821821 948255 971243 1056627 1120665 1248741 1526239 1761045 2081235 2465463 2844765 2913729 3361995 4109105 4578717 4856215 5283135 6243705 7396389 7631195 8741187 10683673 12327315 13736151 14568645 22893585 32051019 36981945 43705935 53418365 68680755 96153057 160255095 480765285