Base | Representation |
---|---|
bin | 1001000101010100011000 |
3 | 11110222020011 |
4 | 21011110120 |
5 | 1102143310 |
6 | 123011304 |
7 | 26144632 |
oct | 11052430 |
9 | 4428204 |
10 | 2381080 |
11 | 1386a39 |
12 | 969b34 |
13 | 654a30 |
14 | 45da52 |
15 | 32078a |
hex | 245518 |
2381080 has 64 divisors (see below), whose sum is σ = 6098400. Its totient is φ = 829440.
The previous prime is 2381077. The next prime is 2381081. The reversal of 2381080 is 801832.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2381081) 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, 9760 + ... + 10000.
22381080 is an apocalyptic number.
2381080 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 2381080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3049200).
2381080 is an abundant number, since it is smaller than the sum of its proper divisors (3717320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2381080 is a wasteful number, since it uses less digits than its factorization.
2381080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 284 (or 280 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 22.
The square root of 2381080 is about 1543.0748523646. The cubic root of 2381080 is about 133.5338372242.
The spelling of 2381080 in words is "two million, three hundred eighty-one thousand, eighty".
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