Base | Representation |
---|---|
bin | 110011011000111010000 |
3 | 10011112220102 |
4 | 12123013100 |
5 | 412341140 |
6 | 100031532 |
7 | 20212250 |
oct | 6330720 |
9 | 3145812 |
10 | 1683920 |
11 | a50177 |
12 | 6925a8 |
13 | 46c604 |
14 | 31b960 |
15 | 233e15 |
hex | 19b1d0 |
1683920 has 80 divisors (see below), whose sum is σ = 4666368. Its totient is φ = 552960.
The previous prime is 1683887. The next prime is 1683949. The reversal of 1683920 is 293861.
It is a tau number, because it is divible by the number of its divisors (80).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17312 + ... + 17408.
21683920 is an apocalyptic number.
1683920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1683920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2333184).
1683920 is an abundant number, since it is smaller than the sum of its proper divisors (2982448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1683920 is a wasteful number, since it uses less digits than its factorization.
1683920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 148 (or 142 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 29.
The square root of 1683920 is about 1297.6594314380. The cubic root of 1683920 is about 118.9708282424.
The spelling of 1683920 in words is "one million, six hundred eighty-three thousand, nine hundred twenty".
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