Base | Representation |
---|---|
bin | 1001001111100110100101 |
3 | 11120010000100 |
4 | 21033212211 |
5 | 1110020310 |
6 | 123534313 |
7 | 26411511 |
oct | 11174645 |
9 | 4503010 |
10 | 2423205 |
11 | 1405654 |
12 | 98a399 |
13 | 66ac65 |
14 | 471141 |
15 | 32cec0 |
hex | 24f9a5 |
2423205 has 12 divisors (see below), whose sum is σ = 4200300. Its totient is φ = 1292352.
The previous prime is 2423191. The next prime is 2423209. The reversal of 2423205 is 5023242.
It can be written as a sum of positive squares in 2 ways, for example, as 1896129 + 527076 = 1377^2 + 726^2 .
It is not a de Polignac number, because 2423205 - 28 = 2422949 is a prime.
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2423209) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26880 + ... + 26969.
It is an arithmetic number, because the mean of its divisors is an integer number (350025).
22423205 is an apocalyptic number.
It is an amenable number.
2423205 is a deficient number, since it is larger than the sum of its proper divisors (1777095).
2423205 is a wasteful number, since it uses less digits than its factorization.
2423205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53860 (or 53857 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 18.
The square root of 2423205 is about 1556.6647037818. The cubic root of 2423205 is about 134.3167120555.
Adding to 2423205 its reverse (5023242), we get a palindrome (7446447).
It can be divided in two parts, 2423 and 205, that added together give a triangular number (2628 = T72).
The spelling of 2423205 in words is "two million, four hundred twenty-three thousand, two hundred five".
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