Base | Representation |
---|---|
bin | 10010001111011101101000 |
3 | 22222221120110 |
4 | 102033131220 |
5 | 2211010203 |
6 | 250254320 |
7 | 55434324 |
oct | 22173550 |
9 | 8887513 |
10 | 4781928 |
11 | 2776808 |
12 | 17273a0 |
13 | cb5758 |
14 | 8c6984 |
15 | 646d03 |
hex | 48f768 |
4781928 has 16 divisors (see below), whose sum is σ = 11954880. Its totient is φ = 1593968.
The previous prime is 4781923. The next prime is 4781929. The reversal of 4781928 is 8291874.
4781928 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (4781923) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99600 + ... + 99647.
It is an arithmetic number, because the mean of its divisors is an integer number (747180).
Almost surely, 24781928 is an apocalyptic number.
It is an amenable number.
4781928 is an abundant number, since it is smaller than the sum of its proper divisors (7172952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4781928 is a wasteful number, since it uses less digits than its factorization.
4781928 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 199256 (or 199252 counting only the distinct ones).
The product of its digits is 32256, while the sum is 39.
The square root of 4781928 is about 2186.7619897922. The cubic root of 4781928 is about 168.4745652187.
Adding to 4781928 its product of digits (32256), we get a palindrome (4814184).
The spelling of 4781928 in words is "four million, seven hundred eighty-one thousand, nine hundred twenty-eight".
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