Base | Representation |
---|---|
bin | 1001001010100… |
… | …1110101110001 |
3 | 2200100011210201 |
4 | 2102221311301 |
5 | 34320210101 |
6 | 3451555201 |
7 | 644525542 |
oct | 222516561 |
9 | 80304721 |
10 | 38444401 |
11 | 1a778936 |
12 | 10a5bb01 |
13 | 7c70788 |
14 | 516a4c9 |
15 | 3595e01 |
hex | 24a9d71 |
38444401 has 4 divisors (see below), whose sum is σ = 39770100. Its totient is φ = 37118704.
The previous prime is 38444389. The next prime is 38444407. The reversal of 38444401 is 10444483.
38444401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10444483 = 7 ⋅1492069.
It can be written as a sum of positive squares in 2 ways, for example, as 28515600 + 9928801 = 5340^2 + 3151^2 .
It is a cyclic number.
It is not a de Polignac number, because 38444401 - 211 = 38442353 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 38444401.
It is not an unprimeable number, because it can be changed into a prime (38444407) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662806 + ... + 662863.
It is an arithmetic number, because the mean of its divisors is an integer number (9942525).
Almost surely, 238444401 is an apocalyptic number.
It is an amenable number.
38444401 is a deficient number, since it is larger than the sum of its proper divisors (1325699).
38444401 is a wasteful number, since it uses less digits than its factorization.
38444401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1325698.
The product of its (nonzero) digits is 6144, while the sum is 28.
The square root of 38444401 is about 6200.3549091967. The cubic root of 38444401 is about 337.5030481663.
Adding to 38444401 its reverse (10444483), we get a palindrome (48888884).
The spelling of 38444401 in words is "thirty-eight million, four hundred forty-four thousand, four hundred one".
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