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380207360 = 2851373313
BaseRepresentation
bin10110101010011…
…000000100000000
3222111102112110002
4112222120010000
51234313113420
6101421055132
712264465161
oct2652300400
9874375402
10380207360
11185687465
12a73b74a8
1360a01690
14386d1768
15235a4075
hex16a98100

380207360 has 144 divisors (see below), whose sum is σ = 997382064. Its totient is φ = 138018816.

The previous prime is 380207357. The next prime is 380207381. The reversal of 380207360 is 63702083.

It can be written as a sum of positive squares in 8 ways, for example, as 115949824 + 264257536 = 10768^2 + 16256^2 .

It is a super-3 number, since 3×3802073603 (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1214564 + ... + 1214876.

Almost surely, 2380207360 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 380207360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498691032).

380207360 is an abundant number, since it is smaller than the sum of its proper divisors (617174704).

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

380207360 is a wasteful number, since it uses less digits than its factorization.

380207360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 380207360 is about 19498.9066360142. The cubic root of 380207360 is about 724.4473695905.

The spelling of 380207360 in words is "three hundred eighty million, two hundred seven thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 73 80 104 128 130 146 160 208 256 260 292 313 320 365 416 520 584 626 640 730 832 949 1040 1168 1252 1280 1460 1565 1664 1898 2080 2336 2504 2920 3130 3328 3796 4069 4160 4672 4745 5008 5840 6260 7592 8138 8320 9344 9490 10016 11680 12520 15184 16276 16640 18688 18980 20032 20345 22849 23360 25040 30368 32552 37960 40064 40690 45698 46720 50080 60736 65104 75920 80128 81380 91396 93440 100160 114245 121472 130208 151840 162760 182792 200320 228490 242944 260416 297037 303680 325520 365584 400640 456980 520832 594074 607360 651040 731168 913960 1041664 1188148 1214720 1302080 1462336 1485185 1827920 2376296 2604160 2924672 2970370 3655840 4752592 5208320 5849344 5940740 7311680 9505184 11881480 14623360 19010368 23762960 29246720 38020736 47525920 76041472 95051840 190103680 380207360