Base | Representation |
---|---|
bin | 10000110111011100000100 |
3 | 22022121222211 |
4 | 100313130010 |
5 | 2112441010 |
6 | 234433204 |
7 | 52403215 |
oct | 20673404 |
9 | 8277884 |
10 | 4421380 |
11 | 254a937 |
12 | 1592804 |
13 | bba602 |
14 | 83140c |
15 | 5c508a |
hex | 437704 |
4421380 has 12 divisors (see below), whose sum is σ = 9284940. Its totient is φ = 1768544.
The previous prime is 4421371. The next prime is 4421407. The reversal of 4421380 is 831244.
It can be written as a sum of positive squares in 2 ways, for example, as 3437316 + 984064 = 1854^2 + 992^2 .
It is a super-2 number, since 2×44213802 = 39097202208800, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110515 + ... + 110554.
It is an arithmetic number, because the mean of its divisors is an integer number (773745).
Almost surely, 24421380 is an apocalyptic number.
It is an amenable number.
4421380 is an abundant number, since it is smaller than the sum of its proper divisors (4863560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4421380 is a wasteful number, since it uses less digits than its factorization.
4421380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 221078 (or 221076 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 22.
The square root of 4421380 is about 2102.7077780804. The cubic root of 4421380 is about 164.1292358282.
It can be divided in two parts, 442 and 1380, that multiplied together give a triangular number (609960 = T1104).
The spelling of 4421380 in words is "four million, four hundred twenty-one thousand, three hundred eighty".
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