Base | Representation |
---|---|
bin | 111111100000111111000 |
3 | 10220201222011 |
4 | 13330013320 |
5 | 1013100042 |
6 | 112335304 |
7 | 23455564 |
oct | 7740770 |
9 | 3821864 |
10 | 2081272 |
11 | 11a1766 |
12 | 844534 |
13 | 57b42b |
14 | 3c26a4 |
15 | 2b1a17 |
hex | 1fc1f8 |
2081272 has 16 divisors (see below), whose sum is σ = 4037400. Its totient is φ = 1004640.
The previous prime is 2081267. The next prime is 2081273. The reversal of 2081272 is 2721802.
It is a zygodrome in base 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2081273) 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 3 ways as a sum of consecutive naturals, for example, 4254 + ... + 4717.
22081272 is an apocalyptic number.
It is an amenable number.
2081272 is a deficient number, since it is larger than the sum of its proper divisors (1956128).
2081272 is a wasteful number, since it uses less digits than its factorization.
2081272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9006 (or 9002 counting only the distinct ones).
The product of its (nonzero) digits is 448, while the sum is 22.
The square root of 2081272 is about 1442.6614294421. The cubic root of 2081272 is about 127.6761016538.
The spelling of 2081272 in words is "two million, eighty-one thousand, two hundred seventy-two".
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