Base | Representation |
---|---|
bin | 1001000111100… |
… | …1111001100001 |
3 | 2122222012102211 |
4 | 2101321321201 |
5 | 34242414113 |
6 | 3443442121 |
7 | 643050205 |
oct | 221717141 |
9 | 78865384 |
10 | 38248033 |
11 | 1a65434a |
12 | 10986341 |
13 | 7c02295 |
14 | 5118b05 |
15 | 3557b3d |
hex | 2479e61 |
38248033 has 4 divisors (see below), whose sum is σ = 38969748. Its totient is φ = 37526320.
The previous prime is 38248019. The next prime is 38248061. The reversal of 38248033 is 33084283.
38248033 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: 33084283 = 4451 ⋅7433.
It can be written as a sum of positive squares in 2 ways, for example, as 29680704 + 8567329 = 5448^2 + 2927^2 .
It is a cyclic number.
It is not a de Polignac number, because 38248033 - 213 = 38239841 is a prime.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 38247986 and 38248004.
It is not an unprimeable number, because it can be changed into a prime (38248073) 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, 360778 + ... + 360883.
It is an arithmetic number, because the mean of its divisors is an integer number (9742437).
Almost surely, 238248033 is an apocalyptic number.
It is an amenable number.
38248033 is a deficient number, since it is larger than the sum of its proper divisors (721715).
38248033 is an equidigital number, since it uses as much as digits as its factorization.
38248033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 721714.
The product of its (nonzero) digits is 13824, while the sum is 31.
The square root of 38248033 is about 6184.4994138572. The cubic root of 38248033 is about 336.9274293629.
The spelling of 38248033 in words is "thirty-eight million, two hundred forty-eight thousand, thirty-three".
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