Base | Representation |
---|---|
bin | 1011110111111010000 |
3 | 201202201002 |
4 | 1132333100 |
5 | 44422242 |
6 | 12201132 |
7 | 3210215 |
oct | 1367720 |
9 | 652632 |
10 | 389072 |
11 | 246352 |
12 | 1691a8 |
13 | 108128 |
14 | a1b0c |
15 | 7a432 |
hex | 5efd0 |
389072 has 10 divisors (see below), whose sum is σ = 753858. Its totient is φ = 194528.
The previous prime is 389057. The next prime is 389083. The reversal of 389072 is 270983.
It can be written as a sum of positive squares in only one way, i.e., 355216 + 33856 = 596^2 + 184^2 .
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12143 + ... + 12174.
2389072 is an apocalyptic number.
It is an amenable number.
389072 is a deficient number, since it is larger than the sum of its proper divisors (364786).
389072 is a wasteful number, since it uses less digits than its factorization.
389072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24325 (or 24319 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 29.
The square root of 389072 is about 623.7563626930. The cubic root of 389072 is about 73.0034401331.
The spelling of 389072 in words is "three hundred eighty-nine thousand, seventy-two".
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