Base | Representation |
---|---|
bin | 10000101101000101100100 |
3 | 22020110211110 |
4 | 100231011210 |
5 | 2110111410 |
6 | 233505020 |
7 | 52135464 |
oct | 20550544 |
9 | 8213743 |
10 | 4378980 |
11 | 2520aa1 |
12 | 1572170 |
13 | ba4218 |
14 | 81dba4 |
15 | 5b7720 |
hex | 42d164 |
4378980 has 48 divisors (see below), whose sum is σ = 12479040. Its totient is φ = 1147008.
The previous prime is 4378963. The next prime is 4378981. The reversal of 4378980 is 898734.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (4378981) 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, 2922 + ... + 4158.
It is an arithmetic number, because the mean of its divisors is an integer number (259980).
Almost surely, 24378980 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 4378980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6239520).
4378980 is an abundant number, since it is smaller than the sum of its proper divisors (8100060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4378980 is a wasteful number, since it uses less digits than its factorization.
4378980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1308 (or 1306 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 39.
The square root of 4378980 is about 2092.6012520306. The cubic root of 4378980 is about 163.6028960736.
The spelling of 4378980 in words is "four million, three hundred seventy-eight thousand, nine hundred eighty".
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