Base | Representation |
---|---|
bin | 10011000010001111101010 |
3 | 100101111220020 |
4 | 103002033222 |
5 | 2234134210 |
6 | 254541310 |
7 | 60261621 |
oct | 23021752 |
9 | 10344806 |
10 | 4989930 |
11 | 28a9010 |
12 | 1807836 |
13 | 105932a |
14 | 93c6b8 |
15 | 688770 |
hex | 4c23ea |
4989930 has 32 divisors (see below), whose sum is σ = 13065408. Its totient is φ = 1209600.
The previous prime is 4989917. The next prime is 4989937. The reversal of 4989930 is 399894.
It is not an unprimeable number, because it can be changed into a prime (4989937) 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 15 ways as a sum of consecutive naturals, for example, 7231 + ... + 7890.
It is an arithmetic number, because the mean of its divisors is an integer number (408294).
Almost surely, 24989930 is an apocalyptic number.
4989930 is an abundant number, since it is smaller than the sum of its proper divisors (8075478).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4989930 is a wasteful number, since it uses less digits than its factorization.
4989930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15142.
The product of its (nonzero) digits is 69984, while the sum is 42.
The square root of 4989930 is about 2233.8151221621. The cubic root of 4989930 is about 170.8827211295.
The spelling of 4989930 in words is "four million, nine hundred eighty-nine thousand, nine hundred thirty".
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