Base | Representation |
---|---|
bin | 10000000110010111011100 |
3 | 21221102021101 |
4 | 100012113130 |
5 | 2040023010 |
6 | 230242444 |
7 | 50605213 |
oct | 20062734 |
9 | 7842241 |
10 | 4220380 |
11 | 242291a |
12 | 14b6424 |
13 | b49c88 |
14 | 7bc07a |
15 | 58573a |
hex | 4065dc |
4220380 has 24 divisors (see below), whose sum is σ = 8966160. Its totient is φ = 1668480.
The previous prime is 4220357. The next prime is 4220387. The reversal of 4220380 is 830224.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4220387) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 595 + ... + 2965.
It is an arithmetic number, because the mean of its divisors is an integer number (373590).
Almost surely, 24220380 is an apocalyptic number.
It is an amenable number.
4220380 is an abundant number, since it is smaller than the sum of its proper divisors (4745780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4220380 is a wasteful number, since it uses less digits than its factorization.
4220380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2469 (or 2467 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 19.
The square root of 4220380 is about 2054.3563468882. The cubic root of 4220380 is about 161.6034093160.
The spelling of 4220380 in words is "four million, two hundred twenty thousand, three hundred eighty".
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