Base | Representation |
---|---|
bin | 1000000001111001011000 |
3 | 10221221102000 |
4 | 20001321120 |
5 | 1014324140 |
6 | 113041000 |
7 | 23614536 |
oct | 10017130 |
9 | 3857360 |
10 | 2104920 |
11 | 1208504 |
12 | 856160 |
13 | 58911c |
14 | 3cb156 |
15 | 2b8a30 |
hex | 201e58 |
2104920 has 64 divisors (see below), whose sum is σ = 7020000. Its totient is φ = 561024.
The previous prime is 2104913. The next prime is 2104933. The reversal of 2104920 is 294012.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an Ulam number.
It is a junction number, because it is equal to n+sod(n) for n = 2104893 and 2104902.
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, 106 + ... + 2054.
22104920 is an apocalyptic number.
2104920 is a gapful number since it is divisible by the number (20) 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 2104920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3510000).
2104920 is an abundant number, since it is smaller than the sum of its proper divisors (4915080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2104920 is a wasteful number, since it uses less digits than its factorization.
2104920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1969 (or 1959 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 2104920 is about 1450.8342427721. The cubic root of 2104920 is about 128.1578456342.
Adding to 2104920 its reverse (294012), we get a palindrome (2398932).
The spelling of 2104920 in words is "two million, one hundred four thousand, nine hundred twenty".
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