Search a number
-
+
389168 = 24131871
BaseRepresentation
bin1011111000000110000
3201202211122
41133000300
544423133
612201412
73210413
oct1370060
9652748
10389168
1124642a
12169268
131081a0
14a1b7a
157a498
hex5f030

389168 has 20 divisors (see below), whose sum is σ = 812448. Its totient is φ = 179520.

The previous prime is 389167. The next prime is 389171. The reversal of 389168 is 861983.

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 3 ways as a sum of consecutive naturals, for example, 728 + ... + 1143.

2389168 is an apocalyptic number.

It is an amenable number.

389168 is an abundant number, since it is smaller than the sum of its proper divisors (423280).

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

389168 is a wasteful number, since it uses less digits than its factorization.

389168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892 (or 1886 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The square root of 389168 is about 623.8333110696. The cubic root of 389168 is about 73.0094439524.

The spelling of 389168 in words is "three hundred eighty-nine thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 13 16 26 52 104 208 1871 3742 7484 14968 24323 29936 48646 97292 194584 389168