Base | Representation |
---|---|
bin | 10110101110111… |
… | …110001101111111 |
3 | 222120200202012122 |
4 | 112232332031333 |
5 | 1240120142343 |
6 | 101502553155 |
7 | 12310643663 |
oct | 2656761577 |
9 | 876622178 |
10 | 381412223 |
11 | 18632a715 |
12 | a78987bb |
13 | 61033c0a |
14 | 389268a3 |
15 | 23741068 |
hex | 16bbe37f |
381412223 has 2 divisors, whose sum is σ = 381412224. Its totient is φ = 381412222.
The previous prime is 381412201. The next prime is 381412249. The reversal of 381412223 is 322214183.
It is an a-pointer prime, because the next prime (381412249) can be obtained adding 381412223 to its sum of digits (26).
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 381412223 - 26 = 381412159 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 381412192 and 381412201.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (381012223) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190706111 + 190706112.
It is an arithmetic number, because the mean of its divisors is an integer number (190706112).
Almost surely, 2381412223 is an apocalyptic number.
381412223 is a deficient number, since it is larger than the sum of its proper divisors (1).
381412223 is an equidigital number, since it uses as much as digits as its factorization.
381412223 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2304, while the sum is 26.
The square root of 381412223 is about 19529.7778533193. Note that the first 3 decimals coincide. The cubic root of 381412223 is about 725.2118115963.
The spelling of 381412223 in words is "three hundred eighty-one million, four hundred twelve thousand, two hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •