Base | Representation |
---|---|
bin | 1001110101111100011111 |
3 | 11212002110000 |
4 | 21311330133 |
5 | 1130032010 |
6 | 131145343 |
7 | 30634416 |
oct | 11657437 |
9 | 4762400 |
10 | 2580255 |
11 | 1502647 |
12 | a45253 |
13 | 6c45a2 |
14 | 4b247d |
15 | 35e7c0 |
hex | 275f1f |
2580255 has 40 divisors (see below), whose sum is σ = 4843872. Its totient is φ = 1311552.
The previous prime is 2580251. The next prime is 2580287. The reversal of 2580255 is 5520852.
It is not a de Polignac number, because 2580255 - 22 = 2580251 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a d-powerful number, because it can be written as 213 + 55 + 87 + 0 + 216 + 56 + 58 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2580251) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9177 + ... + 9453.
22580255 is an apocalyptic number.
2580255 is a deficient number, since it is larger than the sum of its proper divisors (2263617).
2580255 is a wasteful number, since it uses less digits than its factorization.
2580255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 317 (or 308 counting only the distinct ones).
The product of its (nonzero) digits is 4000, while the sum is 27.
The square root of 2580255 is about 1606.3172164924. The cubic root of 2580255 is about 137.1579154782.
The spelling of 2580255 in words is "two million, five hundred eighty thousand, two hundred fifty-five".
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