Base | Representation |
---|---|
bin | 1111011100011101101101 |
3 | 21121200211200 |
4 | 33130131231 |
5 | 2014024444 |
6 | 222440113 |
7 | 46261635 |
oct | 17343555 |
9 | 7550750 |
10 | 4048749 |
11 | 2315981 |
12 | 1433039 |
13 | ab9b13 |
14 | 7756c5 |
15 | 54e969 |
hex | 3dc76d |
4048749 has 12 divisors (see below), whose sum is σ = 5869500. Its totient is φ = 2689344.
The previous prime is 4048747. The next prime is 4048769. The reversal of 4048749 is 9478404.
It can be written as a sum of positive squares in 2 ways, for example, as 3132900 + 915849 = 1770^2 + 957^2 .
It is not a de Polignac number, because 4048749 - 21 = 4048747 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4048741) 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, 2497 + ... + 3785.
It is an arithmetic number, because the mean of its divisors is an integer number (489125).
Almost surely, 24048749 is an apocalyptic number.
It is an amenable number.
4048749 is a deficient number, since it is larger than the sum of its proper divisors (1820751).
4048749 is a wasteful number, since it uses less digits than its factorization.
4048749 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1644 (or 1641 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
The square root of 4048749 is about 2012.1503422955. The cubic root of 4048749 is about 159.3823715160.
The spelling of 4048749 in words is "four million, forty-eight thousand, seven hundred forty-nine".
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