Base | Representation |
---|---|
bin | 10111001111001… |
… | …001110000010110 |
3 | 1000011120100001000 |
4 | 113033021300112 |
5 | 1244300114321 |
6 | 102403444130 |
7 | 12442440225 |
oct | 2717116026 |
9 | 1004510030 |
10 | 389848086 |
11 | 190071701 |
12 | aa686646 |
13 | 629c8854 |
14 | 39ac0cbc |
15 | 2435a826 |
hex | 173c9c16 |
389848086 has 32 divisors (see below), whose sum is σ = 868381920. Its totient is φ = 129641472.
The previous prime is 389848051. The next prime is 389848087. The reversal of 389848086 is 680848983.
389848086 is a `hidden beast` number, since 3 + 89 + 8 + 480 + 86 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (389848087) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15046 + ... + 31718.
It is an arithmetic number, because the mean of its divisors is an integer number (27136935).
Almost surely, 2389848086 is an apocalyptic number.
389848086 is an abundant number, since it is smaller than the sum of its proper divisors (478533834).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
389848086 is a wasteful number, since it uses less digits than its factorization.
389848086 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17117 (or 17111 counting only the distinct ones).
The product of its (nonzero) digits is 2654208, while the sum is 54.
The square root of 389848086 is about 19744.5710513042. The cubic root of 389848086 is about 730.5194813689.
It can be divided in two parts, 3898 and 48086, that added together give a square (51984 = 2282).
The spelling of 389848086 in words is "three hundred eighty-nine million, eight hundred forty-eight thousand, eighty-six".
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