Base | Representation |
---|---|
bin | 1000111001010101001100 |
3 | 11101110212122 |
4 | 20321111030 |
5 | 1044110410 |
6 | 121552112 |
7 | 25551530 |
oct | 10712514 |
9 | 4343778 |
10 | 2331980 |
11 | 1353062 |
12 | 945638 |
13 | 638591 |
14 | 449bc0 |
15 | 310e55 |
hex | 23954c |
2331980 has 24 divisors (see below), whose sum is σ = 5597088. Its totient is φ = 799488.
The previous prime is 2331949. The next prime is 2331997. The reversal of 2331980 is 891332.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8189 + ... + 8468.
It is an arithmetic number, because the mean of its divisors is an integer number (233212).
22331980 is an apocalyptic number.
2331980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2331980 is an abundant number, since it is smaller than the sum of its proper divisors (3265108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2331980 is a wasteful number, since it uses less digits than its factorization.
2331980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16673 (or 16671 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 26.
The square root of 2331980 is about 1527.0821850837. The cubic root of 2331980 is about 132.6095924909.
The spelling of 2331980 in words is "two million, three hundred thirty-one thousand, nine hundred eighty".
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