Base | Representation |
---|---|
bin | 1111011100110001000100 |
3 | 21121202112120 |
4 | 33130301010 |
5 | 2014044423 |
6 | 222445540 |
7 | 46265355 |
oct | 17346104 |
9 | 7552476 |
10 | 4049988 |
11 | 23168a8 |
12 | 14338b0 |
13 | aba557 |
14 | 775d2c |
15 | 54eee3 |
hex | 3dcc44 |
4049988 has 24 divisors (see below), whose sum is σ = 9482592. Its totient is φ = 1345344.
The previous prime is 4049987. The next prime is 4049989. The reversal of 4049988 is 8899404.
4049988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (4049987) and next prime (4049989).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4049987) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 6256 + ... + 6872.
It is an arithmetic number, because the mean of its divisors is an integer number (395108).
Almost surely, 24049988 is an apocalyptic number.
It is an amenable number.
4049988 is an abundant number, since it is smaller than the sum of its proper divisors (5432604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4049988 is a wasteful number, since it uses less digits than its factorization.
4049988 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1171 (or 1169 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 42.
The square root of 4049988 is about 2012.4581983236. The cubic root of 4049988 is about 159.3986279463.
The spelling of 4049988 in words is "four million, forty-nine thousand, nine hundred eighty-eight".
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