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268530480 = 24325794721
BaseRepresentation
bin10000000000010…
…111001100110000
3200201021202120100
4100000113030300
51022220433410
642351312400
76440320461
oct2000271460
9621252510
10268530480
1112863aa19
1275b1b700
134382cc9a
1427940d68
15188948c0
hex10017330

268530480 has 120 divisors (see below), whose sum is σ = 913423680. Its totient is φ = 70686720.

The previous prime is 268530473. The next prime is 268530499. The reversal of 268530480 is 84035862.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54520 + ... + 59240.

It is an arithmetic number, because the mean of its divisors is an integer number (7611864).

Almost surely, 2268530480 is an apocalyptic number.

268530480 is a gapful number since it is divisible by the number (20) 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 268530480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (456711840).

268530480 is an abundant number, since it is smaller than the sum of its proper divisors (644893200).

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

268530480 is a wasteful number, since it uses less digits than its factorization.

268530480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4819 (or 4810 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 268530480 is about 16386.8996457536. The cubic root of 268530480 is about 645.1556862330.

The spelling of 268530480 in words is "two hundred sixty-eight million, five hundred thirty thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 79 80 90 120 144 158 180 237 240 316 360 395 474 632 711 720 790 948 1185 1264 1422 1580 1896 2370 2844 3160 3555 3792 4721 4740 5688 6320 7110 9442 9480 11376 14163 14220 18884 18960 23605 28326 28440 37768 42489 47210 56652 56880 70815 75536 84978 94420 113304 141630 169956 188840 212445 226608 283260 339912 372959 377680 424890 566520 679824 745918 849780 1118877 1133040 1491836 1699560 1864795 2237754 2983672 3356631 3399120 3729590 4475508 5594385 5967344 6713262 7459180 8951016 11188770 13426524 14918360 16783155 17902032 22377540 26853048 29836720 33566310 44755080 53706096 67132620 89510160 134265240 268530480