Base | Representation |
---|---|
bin | 11010010010101101100101 |
3 | 110222011120200 |
4 | 122102231211 |
5 | 3231024024 |
6 | 403421113 |
7 | 112404300 |
oct | 32225545 |
9 | 13864520 |
10 | 6892389 |
11 | 3988399 |
12 | 2384799 |
13 | 157424a |
14 | cb5b37 |
15 | 9122c9 |
hex | 692b65 |
6892389 has 18 divisors (see below), whose sum is σ = 11581830. Its totient is φ = 3938256.
The previous prime is 6892381. The next prime is 6892393. The reversal of 6892389 is 9832986.
6892389 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., 6890625 + 1764 = 2625^2 + 42^2 .
It is not a de Polignac number, because 6892389 - 23 = 6892381 is a prime.
It is a super-2 number, since 2×68923892 = 95010052254642, which contains 22 as substring.
It is a d-powerful number, because it can be written as 64 + 83 + 92 + 213 + 37 + 87 + 97 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6892381) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7374 + ... + 8255.
It is an arithmetic number, because the mean of its divisors is an integer number (643435).
Almost surely, 26892389 is an apocalyptic number.
It is an amenable number.
6892389 is a deficient number, since it is larger than the sum of its proper divisors (4689441).
6892389 is a wasteful number, since it uses less digits than its factorization.
6892389 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15649 (or 15639 counting only the distinct ones).
The product of its digits is 186624, while the sum is 45.
The square root of 6892389 is about 2625.3359784988. The cubic root of 6892389 is about 190.3078021036.
The spelling of 6892389 in words is "six million, eight hundred ninety-two thousand, three hundred eighty-nine".
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