Base | Representation |
---|---|
bin | 1000011010011100001111 |
3 | 11011001022112 |
4 | 20122130033 |
5 | 1031033310 |
6 | 115134235 |
7 | 24513620 |
oct | 10323417 |
9 | 4131275 |
10 | 2205455 |
11 | 1276a9a |
12 | 8a437b |
13 | 5c2b05 |
14 | 415a47 |
15 | 2d8705 |
hex | 21a70f |
2205455 has 16 divisors (see below), whose sum is σ = 3077184. Its totient is φ = 1486080.
The previous prime is 2205451. The next prime is 2205481. The reversal of 2205455 is 5545022.
2205455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2205455 - 22 = 2205451 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2205455.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2205451) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1619 + ... + 2651.
It is an arithmetic number, because the mean of its divisors is an integer number (192324).
22205455 is an apocalyptic number.
2205455 is a deficient number, since it is larger than the sum of its proper divisors (871729).
2205455 is a wasteful number, since it uses less digits than its factorization.
2205455 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1106.
The product of its (nonzero) digits is 2000, while the sum is 23.
The square root of 2205455 is about 1485.0774390583. The cubic root of 2205455 is about 130.1665518140.
The spelling of 2205455 in words is "two million, two hundred five thousand, four hundred fifty-five".
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