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480332538 = 233731179229
BaseRepresentation
bin11100101000010…
…100101011111010
31020110211102101000
4130220110223322
51440431120123
6115355105430
714621521260
oct3450245372
91213742330
10480332538
11227153a44
12114a42276
137868a14a
1447b16430
152c280b43
hex1ca14afa

480332538 has 128 divisors (see below), whose sum is σ = 1271808000. Its totient is φ = 131492160.

The previous prime is 480332533. The next prime is 480332543. The reversal of 480332538 is 835233084.

It is an interprime number because it is at equal distance from previous prime (480332533) and next prime (480332543).

It is not an unprimeable number, because it can be changed into a prime (480332533) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2097408 + ... + 2097636.

It is an arithmetic number, because the mean of its divisors is an integer number (9936000).

Almost surely, 2480332538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 480332538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (635904000).

480332538 is an abundant number, since it is smaller than the sum of its proper divisors (791475462).

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

480332538 is a wasteful number, since it uses less digits than its factorization.

480332538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457 (or 451 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 480332538 is about 21916.4900930783. The cubic root of 480332538 is about 783.1542979196.

The spelling of 480332538 in words is "four hundred eighty million, three hundred thirty-two thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 7 9 14 18 21 27 31 42 54 62 63 93 126 179 186 189 217 229 279 358 378 434 458 537 558 651 687 837 1074 1253 1302 1374 1603 1611 1674 1953 2061 2506 3206 3222 3759 3906 4122 4809 4833 5549 5859 6183 7099 7518 9618 9666 11098 11277 11718 12366 14198 14427 16647 21297 22554 28854 33294 33831 38843 40991 42594 43281 49693 49941 63891 67662 77686 81982 86562 99386 99882 116529 122973 127782 149079 149823 191673 233058 245946 286937 298158 299646 349587 368919 383346 447237 573874 699174 737838 860811 894474 1048761 1106757 1270721 1341711 1721622 2097522 2213514 2541442 2582433 2683422 3812163 5164866 7624326 7747299 8895047 11436489 15494598 17790094 22872978 26685141 34309467 53370282 68618934 80055423 160110846 240166269 480332538