Base | Representation |
---|---|
bin | 10011000010010001010110 |
3 | 100101112001020 |
4 | 103002101112 |
5 | 2234140123 |
6 | 254542010 |
7 | 60262134 |
oct | 23022126 |
9 | 10345036 |
10 | 4990038 |
11 | 28a90a9 |
12 | 1807906 |
13 | 10593b1 |
14 | 93c754 |
15 | 6887e3 |
hex | 4c2456 |
4990038 has 16 divisors (see below), whose sum is σ = 10002096. Its totient is φ = 1659680.
The previous prime is 4990031. The next prime is 4990049. The reversal of 4990038 is 8300994.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 4989990 and 4990008.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4990031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4420 + ... + 5432.
It is an arithmetic number, because the mean of its divisors is an integer number (625131).
Almost surely, 24990038 is an apocalyptic number.
4990038 is an abundant number, since it is smaller than the sum of its proper divisors (5012058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4990038 is a wasteful number, since it uses less digits than its factorization.
4990038 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1839.
The product of its (nonzero) digits is 7776, while the sum is 33.
The square root of 4990038 is about 2233.8392959208. The cubic root of 4990038 is about 170.8839539591.
The spelling of 4990038 in words is "four million, nine hundred ninety thousand, thirty-eight".
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