Base | Representation |
---|---|
bin | 10111000010111… |
… | …000110101010111 |
3 | 222221111222211111 |
4 | 113002320311113 |
5 | 1242434224142 |
6 | 102210515451 |
7 | 12403220023 |
oct | 2702706527 |
9 | 887458744 |
10 | 386633047 |
11 | 189276149 |
12 | a9595b87 |
13 | 62141368 |
14 | 394c5383 |
15 | 23e22e17 |
hex | 170b8d57 |
386633047 has 2 divisors, whose sum is σ = 386633048. Its totient is φ = 386633046.
The previous prime is 386633041. The next prime is 386633063. The reversal of 386633047 is 740336683.
It is a weak prime.
It is an emirp because it is prime and its reverse (740336683) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-386633047 is a prime.
It is a super-2 number, since 2×3866330472 = 298970226065008418, which contains 22 as substring.
It is a zygodrome in base 3.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (386633041) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193316523 + 193316524.
It is an arithmetic number, because the mean of its divisors is an integer number (193316524).
Almost surely, 2386633047 is an apocalyptic number.
386633047 is a deficient number, since it is larger than the sum of its proper divisors (1).
386633047 is an equidigital number, since it uses as much as digits as its factorization.
386633047 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 217728, while the sum is 40.
The square root of 386633047 is about 19662.9867263343. The cubic root of 386633047 is about 728.5057613157.
The spelling of 386633047 in words is "three hundred eighty-six million, six hundred thirty-three thousand, forty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •