Base | Representation |
---|---|
bin | 10000010111010011110100 |
3 | 22001221110202 |
4 | 100113103310 |
5 | 2044233110 |
6 | 231540032 |
7 | 51314435 |
oct | 20272364 |
9 | 8057422 |
10 | 4289780 |
11 | 246aa80 |
12 | 152a618 |
13 | b72741 |
14 | 7d948c |
15 | 59b0a5 |
hex | 4174f4 |
4289780 has 96 divisors (see below), whose sum is σ = 11031552. Its totient is φ = 1382400.
The previous prime is 4289771. The next prime is 4289783. The reversal of 4289780 is 879824.
4289780 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4289783) 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 31 ways as a sum of consecutive naturals, for example, 115922 + ... + 115958.
It is an arithmetic number, because the mean of its divisors is an integer number (114912).
Almost surely, 24289780 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 4289780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5515776).
4289780 is an abundant number, since it is smaller than the sum of its proper divisors (6741772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4289780 is a wasteful number, since it uses less digits than its factorization.
4289780 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105 (or 103 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 38.
The square root of 4289780 is about 2071.1784085394. The cubic root of 4289780 is about 162.4844008695.
Subtracting from 4289780 its product of nonzero digits (32256), we obtain a palindrome (4257524).
The spelling of 4289780 in words is "four million, two hundred eighty-nine thousand, seven hundred eighty".
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