Base | Representation |
---|---|
bin | 1011111001100001010 |
3 | 201210211200 |
4 | 1133030022 |
5 | 44434043 |
6 | 12205030 |
7 | 3212505 |
oct | 1371412 |
9 | 653750 |
10 | 389898 |
11 | 246a33 |
12 | 169776 |
13 | 108612 |
14 | a213c |
15 | 7a7d3 |
hex | 5f30a |
389898 has 12 divisors (see below), whose sum is σ = 844818. Its totient is φ = 129960.
The previous prime is 389897. The next prime is 389903. The reversal of 389898 is 898983.
389898 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 356409 + 33489 = 597^2 + 183^2 .
It is an alternating number because its digits alternate between odd and even.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (389891) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10813 + ... + 10848.
2389898 is an apocalyptic number.
389898 is an abundant number, since it is smaller than the sum of its proper divisors (454920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
389898 is a wasteful number, since it uses less digits than its factorization.
389898 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21669 (or 21666 counting only the distinct ones).
The product of its digits is 124416, while the sum is 45.
The square root of 389898 is about 624.4181291410. The cubic root of 389898 is about 73.0550657268.
The spelling of 389898 in words is "three hundred eighty-nine thousand, eight hundred ninety-eight".
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