Base | Representation |
---|---|
bin | 10010100111101010010000 |
3 | 100011222112021 |
4 | 102213222100 |
5 | 2222143130 |
6 | 252341224 |
7 | 56326303 |
oct | 22475220 |
9 | 10158467 |
10 | 4881040 |
11 | 283421a |
12 | 1774814 |
13 | 101b8b8 |
14 | 910b3a |
15 | 66637a |
hex | 4a7a90 |
4881040 has 80 divisors (see below), whose sum is σ = 12467952. Its totient is φ = 1769472.
The previous prime is 4881029. The next prime is 4881049. The reversal of 4881040 is 401884.
It can be written as a sum of positive squares in 8 ways, for example, as 369664 + 4511376 = 608^2 + 2124^2 .
It is a tau number, because it is divible by the number of its divisors (80).
It is a junction number, because it is equal to n+sod(n) for n = 4880996 and 4881014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4881049) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50272 + ... + 50368.
Almost surely, 24881040 is an apocalyptic number.
4881040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 4881040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6233976).
4881040 is an abundant number, since it is smaller than the sum of its proper divisors (7586912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4881040 is a wasteful number, since it uses less digits than its factorization.
4881040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 164 (or 158 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 25.
The square root of 4881040 is about 2209.3075838371. The cubic root of 4881040 is about 169.6305703171.
The spelling of 4881040 in words is "four million, eight hundred eighty-one thousand, forty".
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