Base | Representation |
---|---|
bin | 111110010000110111111 |
3 | 10211122201000 |
4 | 13302012333 |
5 | 1010242010 |
6 | 111421343 |
7 | 23225160 |
oct | 7620677 |
9 | 3748630 |
10 | 2040255 |
11 | 1173968 |
12 | 824853 |
13 | 565869 |
14 | 3b1767 |
15 | 2a47c0 |
hex | 1f21bf |
2040255 has 64 divisors (see below), whose sum is σ = 4423680. Its totient is φ = 870912.
The previous prime is 2040253. The next prime is 2040263. The reversal of 2040255 is 5520402.
It is not a de Polignac number, because 2040255 - 21 = 2040253 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2040251) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16002 + ... + 16128.
It is an arithmetic number, because the mean of its divisors is an integer number (69120).
22040255 is an apocalyptic number.
2040255 is an abundant number, since it is smaller than the sum of its proper divisors (2383425).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2040255 is a wasteful number, since it uses less digits than its factorization.
2040255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 165 (or 159 counting only the distinct ones).
The product of its (nonzero) digits is 400, while the sum is 18.
The square root of 2040255 is about 1428.3749507745. The cubic root of 2040255 is about 126.8317983256.
Adding to 2040255 its reverse (5520402), we get a palindrome (7560657).
The spelling of 2040255 in words is "two million, forty thousand, two hundred fifty-five".
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