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381760320 = 2635478461
BaseRepresentation
bin10110110000010…
…011001101000000
3222121100102201010
4112300103031000
51240212312240
6101514240520
712313623564
oct2660231500
9877312633
10381760320
111865481a7
12a7a26140
13611264a6
14389b76a4
15237ae280
hex16c13340

381760320 has 112 divisors (see below), whose sum is σ = 1238024448. Its totient is φ = 99624960.

The previous prime is 381760297. The next prime is 381760363. The reversal of 381760320 is 23067183.

381760320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40890 + ... + 49350.

Almost surely, 2381760320 is an apocalyptic number.

381760320 is a gapful number since it is divisible by the number (30) 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 381760320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (619012224).

381760320 is an abundant number, since it is smaller than the sum of its proper divisors (856264128).

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

381760320 is a wasteful number, since it uses less digits than its factorization.

381760320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8528 (or 8518 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 381760320 is about 19538.6877757950. The cubic root of 381760320 is about 725.4323667523.

The spelling of 381760320 in words is "three hundred eighty-one million, seven hundred sixty thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 47 48 60 64 80 94 96 120 141 160 188 192 235 240 282 320 376 470 480 564 705 752 940 960 1128 1410 1504 1880 2256 2820 3008 3760 4512 5640 7520 8461 9024 11280 15040 16922 22560 25383 33844 42305 45120 50766 67688 84610 101532 126915 135376 169220 203064 253830 270752 338440 397667 406128 507660 541504 676880 795334 812256 1015320 1193001 1353760 1590668 1624512 1988335 2030640 2386002 2707520 3181336 3976670 4061280 4772004 5965005 6362672 7953340 8122560 9544008 11930010 12725344 15906680 19088016 23860020 25450688 31813360 38176032 47720040 63626720 76352064 95440080 127253440 190880160 381760320