Base | Representation |
---|---|
bin | 1001010011000… |
… | …0001110011111 |
3 | 2201101010212121 |
4 | 2110300032133 |
5 | 34440313342 |
6 | 3511443411 |
7 | 652310413 |
oct | 224601637 |
9 | 81333777 |
10 | 38994847 |
11 | 20014451 |
12 | 11086567 |
13 | 8104198 |
14 | 5270d43 |
15 | 3654067 |
hex | 253039f |
38994847 has 2 divisors, whose sum is σ = 38994848. Its totient is φ = 38994846.
The previous prime is 38994797. The next prime is 38994863. The reversal of 38994847 is 74849983.
38994847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 38994847 - 211 = 38992799 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 38994794 and 38994803.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (38994047) 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 as a sum of consecutive naturals, namely, 19497423 + 19497424.
It is an arithmetic number, because the mean of its divisors is an integer number (19497424).
Almost surely, 238994847 is an apocalyptic number.
38994847 is a deficient number, since it is larger than the sum of its proper divisors (1).
38994847 is an equidigital number, since it uses as much as digits as its factorization.
38994847 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1741824, while the sum is 52.
The square root of 38994847 is about 6244.5854145812. The cubic root of 38994847 is about 339.1062078208.
The spelling of 38994847 in words is "thirty-eight million, nine hundred ninety-four thousand, eight hundred forty-seven".
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