Base | Representation |
---|---|
bin | 1001000101100… |
… | …1111011001111 |
3 | 2122201112210101 |
4 | 2101121323033 |
5 | 34224221241 |
6 | 3440551531 |
7 | 641663326 |
oct | 221317317 |
9 | 78645711 |
10 | 38117071 |
11 | 1a574a13 |
12 | 109225a7 |
13 | 7b877a5 |
14 | 50c30bd |
15 | 352de31 |
hex | 2459ecf |
38117071 has 2 divisors, whose sum is σ = 38117072. Its totient is φ = 38117070.
The previous prime is 38117069. The next prime is 38117083. The reversal of 38117071 is 17071183.
It is a weak prime.
It is an emirp because it is prime and its reverse (17071183) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 38117071 - 21 = 38117069 is a prime.
It is a super-2 number, since 2×381170712 = 2905822203238082, which contains 22 as substring.
Together with 38117069, it forms a pair of twin primes.
It is equal to p2325718 and since 38117071 and 2325718 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (38117041) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19058535 + 19058536.
It is an arithmetic number, because the mean of its divisors is an integer number (19058536).
Almost surely, 238117071 is an apocalyptic number.
38117071 is a deficient number, since it is larger than the sum of its proper divisors (1).
38117071 is an equidigital number, since it uses as much as digits as its factorization.
38117071 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1176, while the sum is 28.
The square root of 38117071 is about 6173.9024125750. The cubic root of 38117071 is about 336.5424409612.
The spelling of 38117071 in words is "thirty-eight million, one hundred seventeen thousand, seventy-one".
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