Base | Representation |
---|---|
bin | 111110100000110111101 |
3 | 10212001221100 |
4 | 13310012331 |
5 | 1011022240 |
6 | 111523313 |
7 | 23261100 |
oct | 7640675 |
9 | 3761840 |
10 | 2048445 |
11 | 117a033 |
12 | 829539 |
13 | 5694c9 |
14 | 3b4737 |
15 | 2a6e30 |
hex | 1f41bd |
2048445 has 36 divisors (see below), whose sum is σ = 4134780. Its totient is φ = 935424.
The previous prime is 2048429. The next prime is 2048467. The reversal of 2048445 is 5448402.
It can be written as a sum of positive squares in 2 ways, for example, as 298116 + 1750329 = 546^2 + 1323^2 .
It is not a de Polignac number, because 2048445 - 24 = 2048429 is a prime.
It is a super-2 number, since 2×20484452 = 8392253836050, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
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 35 ways as a sum of consecutive naturals, for example, 1741 + ... + 2669.
It is an arithmetic number, because the mean of its divisors is an integer number (114855).
22048445 is an apocalyptic number.
It is an amenable number.
2048445 is an abundant number, since it is smaller than the sum of its proper divisors (2086335).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2048445 is a wasteful number, since it uses less digits than its factorization.
2048445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 954 (or 944 counting only the distinct ones).
The product of its (nonzero) digits is 5120, while the sum is 27.
The square root of 2048445 is about 1431.2389737567. The cubic root of 2048445 is about 127.0012813230.
It can be divided in two parts, 204 and 8445, that added together give a square (8649 = 932).
The spelling of 2048445 in words is "two million, forty-eight thousand, four hundred forty-five".
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