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389200 = 24527139
BaseRepresentation
bin1011111000001010000
3201202212211
41133001100
544423300
612201504
73210460
oct1370120
9652784
10389200
11246459
12169294
131081c6
14a1ba0
157a4ba
hex5f050

389200 has 60 divisors (see below), whose sum is σ = 1076320. Its totient is φ = 132480.

The previous prime is 389189. The next prime is 389219. The reversal of 389200 is 2983.

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2731 + ... + 2869.

2389200 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 389200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538160).

389200 is an abundant number, since it is smaller than the sum of its proper divisors (687120).

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

389200 is a wasteful number, since it uses less digits than its factorization.

389200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 389200 is about 623.8589584193. The cubic root of 389200 is about 73.0114450061.

The spelling of 389200 in words is "three hundred eighty-nine thousand, two hundred".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 70 80 100 112 139 140 175 200 278 280 350 400 556 560 695 700 973 1112 1390 1400 1946 2224 2780 2800 3475 3892 4865 5560 6950 7784 9730 11120 13900 15568 19460 24325 27800 38920 48650 55600 77840 97300 194600 389200