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389160 = 233252347
BaseRepresentation
bin1011111000000101000
3201202211100
41133000220
544423120
612201400
73210402
oct1370050
9652740
10389160
11246422
12169260
13108195
14a1b72
157a490
hex5f028

389160 has 96 divisors (see below), whose sum is σ = 1347840. Its totient is φ = 97152.

The previous prime is 389149. The next prime is 389161. The reversal of 389160 is 61983.

389160 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 389160.

It is not an unprimeable number, because it can be changed into a prime (389161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8257 + ... + 8303.

It is an arithmetic number, because the mean of its divisors is an integer number (14040).

2389160 is an apocalyptic number.

389160 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 389160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (673920).

389160 is an abundant number, since it is smaller than the sum of its proper divisors (958680).

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

389160 is a wasteful number, since it uses less digits than its factorization.

389160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 389160 is about 623.8268990674. The cubic root of 389160 is about 73.0089436718.

The spelling of 389160 in words is "three hundred eighty-nine thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 23 24 30 36 40 45 46 47 60 69 72 90 92 94 115 120 138 141 180 184 188 207 230 235 276 282 345 360 376 414 423 460 470 552 564 690 705 828 846 920 940 1035 1081 1128 1380 1410 1656 1692 1880 2070 2115 2162 2760 2820 3243 3384 4140 4230 4324 5405 5640 6486 8280 8460 8648 9729 10810 12972 16215 16920 19458 21620 25944 32430 38916 43240 48645 64860 77832 97290 129720 194580 389160