Base | Representation |
---|---|
bin | 10000001010110001101010 |
3 | 21222100001100 |
4 | 100022301222 |
5 | 2041112232 |
6 | 230502230 |
7 | 51011655 |
oct | 20126152 |
9 | 7870040 |
10 | 4238442 |
11 | 243544a |
12 | 1504976 |
13 | b55270 |
14 | 7c489c |
15 | 58ac7c |
hex | 40ac6a |
4238442 has 48 divisors (see below), whose sum is σ = 10090080. Its totient is φ = 1277856.
The previous prime is 4238431. The next prime is 4238459. The reversal of 4238442 is 2448324.
It is a happy number.
Its product of digits (6144) is a multiple of the sum of its prime divisors (384).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13653 + ... + 13959.
It is an arithmetic number, because the mean of its divisors is an integer number (210210).
Almost surely, 24238442 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 4238442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5045040).
4238442 is an abundant number, since it is smaller than the sum of its proper divisors (5851638).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4238442 is a wasteful number, since it uses less digits than its factorization.
4238442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 387 (or 384 counting only the distinct ones).
The product of its digits is 6144, while the sum is 27.
The square root of 4238442 is about 2058.7476775943. The cubic root of 4238442 is about 161.8336197603.
The spelling of 4238442 in words is "four million, two hundred thirty-eight thousand, four hundred forty-two".
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