Search a number
-
+
380160 = 2833511
BaseRepresentation
bin1011100110100000000
3201022111000
41130310000
544131120
612052000
73142224
oct1346400
9638430
10380160
1123a690
12164000
13104061
149c784
1577990
hex5cd00

380160 has 144 divisors (see below), whose sum is σ = 1471680. Its totient is φ = 92160.

The previous prime is 380147. The next prime is 380179. The reversal of 380160 is 61083.

380160 = T89 + T90 + ... + T143.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

380160 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34555 + ... + 34565.

It is an arithmetic number, because the mean of its divisors is an integer number (10220).

2380160 is an apocalyptic number.

380160 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 380160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (735840).

380160 is an abundant number, since it is smaller than the sum of its proper divisors (1091520).

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

380160 is a wasteful number, since it uses less digits than its factorization.

380160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41 (or 21 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 380160 is about 616.5711637759. The cubic root of 380160 is about 72.4417288416.

The spelling of 380160 in words is "three hundred eighty thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 32 33 36 40 44 45 48 54 55 60 64 66 72 80 88 90 96 99 108 110 120 128 132 135 144 160 165 176 180 192 198 216 220 240 256 264 270 288 297 320 330 352 360 384 396 432 440 480 495 528 540 576 594 640 660 704 720 768 792 864 880 960 990 1056 1080 1152 1188 1280 1320 1408 1440 1485 1584 1728 1760 1920 1980 2112 2160 2304 2376 2640 2816 2880 2970 3168 3456 3520 3840 3960 4224 4320 4752 5280 5760 5940 6336 6912 7040 7920 8448 8640 9504 10560 11520 11880 12672 14080 15840 17280 19008 21120 23760 25344 31680 34560 38016 42240 47520 63360 76032 95040 126720 190080 380160