Base | Representation |
---|---|
bin | 1010101011111001010011 |
3 | 12021022120110 |
4 | 22223321103 |
5 | 1204114420 |
6 | 140012403 |
7 | 32544603 |
oct | 12537123 |
9 | 5238513 |
10 | 2801235 |
11 | 1643678 |
12 | b31103 |
13 | 771048 |
14 | 52cc03 |
15 | 3a4ee0 |
hex | 2abe53 |
2801235 has 24 divisors (see below), whose sum is σ = 4634064. Its totient is φ = 1444800.
The previous prime is 2801221. The next prime is 2801237. The reversal of 2801235 is 5321082.
It is not a de Polignac number, because 2801235 - 24 = 2801219 is a prime.
It is an Ulam number.
It is not an unprimeable number, because it can be changed into a prime (2801237) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27685 + ... + 27785.
It is an arithmetic number, because the mean of its divisors is an integer number (193086).
22801235 is an apocalyptic number.
2801235 is a deficient number, since it is larger than the sum of its proper divisors (1832829).
2801235 is a wasteful number, since it uses less digits than its factorization.
2801235 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 195 (or 152 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 2801235 is about 1673.6890392185. The cubic root of 2801235 is about 140.9666940095.
The spelling of 2801235 in words is "two million, eight hundred one thousand, two hundred thirty-five".
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