Base | Representation |
---|---|
bin | 1010000111001001111001 |
3 | 11222200010202 |
4 | 22013021321 |
5 | 1134310440 |
6 | 132451545 |
7 | 31350056 |
oct | 12071171 |
9 | 4880122 |
10 | 2650745 |
11 | 15505a9 |
12 | a79bb5 |
13 | 71a6b6 |
14 | 4d002d |
15 | 375615 |
hex | 287279 |
2650745 has 16 divisors (see below), whose sum is σ = 3341520. Its totient is φ = 2016000.
The previous prime is 2650699. The next prime is 2650751. The reversal of 2650745 is 5470562.
2650745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 8 ways, for example, as 29584 + 2621161 = 172^2 + 1619^2 .
It is not a de Polignac number, because 2650745 - 212 = 2646649 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (29).
It is a d-powerful number, because it can be written as 217 + 68 + 5 + 0 + 77 + 47 + 53 .
It is a congruent number.
It is an unprimeable number.
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, 14555 + ... + 14735.
It is an arithmetic number, because the mean of its divisors is an integer number (208845).
22650745 is an apocalyptic number.
It is an amenable number.
2650745 is a deficient number, since it is larger than the sum of its proper divisors (690775).
2650745 is a wasteful number, since it uses less digits than its factorization.
2650745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 316.
The product of its (nonzero) digits is 8400, while the sum is 29.
The square root of 2650745 is about 1628.1108684607. The cubic root of 2650745 is about 138.3957170927.
The spelling of 2650745 in words is "two million, six hundred fifty thousand, seven hundred forty-five".
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