Base | Representation |
---|---|
bin | 1001001000001… |
… | …1100000111111 |
3 | 2200001012110201 |
4 | 2102003200333 |
5 | 34300144143 |
6 | 3444344331 |
7 | 643303066 |
oct | 222034077 |
9 | 80035421 |
10 | 38287423 |
11 | 1a6809a9 |
12 | 109a50a7 |
13 | 7c171a5 |
14 | 51291dd |
15 | 356464d |
hex | 248383f |
38287423 has 2 divisors, whose sum is σ = 38287424. Its totient is φ = 38287422.
The previous prime is 38287421. The next prime is 38287477. The reversal of 38287423 is 32478283.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 38287423 - 21 = 38287421 is a prime.
Together with 38287421, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (38287421) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19143711 + 19143712.
It is an arithmetic number, because the mean of its divisors is an integer number (19143712).
Almost surely, 238287423 is an apocalyptic number.
38287423 is a deficient number, since it is larger than the sum of its proper divisors (1).
38287423 is an equidigital number, since it uses as much as digits as its factorization.
38287423 is an evil number, because the sum of its binary digits is even.
The product of its digits is 64512, while the sum is 37.
The square root of 38287423 is about 6187.6831690060. The cubic root of 38287423 is about 337.0430520243.
The spelling of 38287423 in words is "thirty-eight million, two hundred eighty-seven thousand, four hundred twenty-three".
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