Base | Representation |
---|---|
bin | 1001010010011… |
… | …1010010100111 |
3 | 2201022021200001 |
4 | 2110213102213 |
5 | 34433130442 |
6 | 3511002131 |
7 | 652065616 |
oct | 224472247 |
9 | 81267601 |
10 | 38958247 |
11 | 1aa999a9 |
12 | 11069347 |
13 | 80c0623 |
14 | 526187d |
15 | 36482b7 |
hex | 25274a7 |
38958247 has 2 divisors, whose sum is σ = 38958248. Its totient is φ = 38958246.
The previous prime is 38958239. The next prime is 38958263. The reversal of 38958247 is 74285983.
38958247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 38958247 - 23 = 38958239 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 38958197 and 38958206.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (38958287) 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, 19479123 + 19479124.
It is an arithmetic number, because the mean of its divisors is an integer number (19479124).
Almost surely, 238958247 is an apocalyptic number.
38958247 is a deficient number, since it is larger than the sum of its proper divisors (1).
38958247 is an equidigital number, since it uses as much as digits as its factorization.
38958247 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 483840, while the sum is 46.
The square root of 38958247 is about 6241.6541877935. The cubic root of 38958247 is about 339.0000812152. Note that the first 4 decimals are identical.
The spelling of 38958247 in words is "thirty-eight million, nine hundred fifty-eight thousand, two hundred forty-seven".
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