Base | Representation |
---|---|
bin | 101001010001110… |
… | …0010100010101001 |
3 | 10120112012201222201 |
4 | 1102203202202221 |
5 | 10314033020413 |
6 | 345234220201 |
7 | 46215500332 |
oct | 12243424251 |
9 | 3515181881 |
10 | 1385048233 |
11 | 650907268 |
12 | 327a24661 |
13 | 190c4508a |
14 | d1d3d289 |
15 | 818de9dd |
hex | 528e28a9 |
1385048233 has 2 divisors, whose sum is σ = 1385048234. Its totient is φ = 1385048232.
The previous prime is 1385048227. The next prime is 1385048243. The reversal of 1385048233 is 3328405831.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1367002729 + 18045504 = 36973^2 + 4248^2 .
It is a cyclic number.
It is not a de Polignac number, because 1385048233 - 29 = 1385047721 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1385048192 and 1385048201.
It is not a weakly prime, because it can be changed into another prime (1385048243) 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, 692524116 + 692524117.
It is an arithmetic number, because the mean of its divisors is an integer number (692524117).
Almost surely, 21385048233 is an apocalyptic number.
It is an amenable number.
1385048233 is a deficient number, since it is larger than the sum of its proper divisors (1).
1385048233 is an equidigital number, since it uses as much as digits as its factorization.
1385048233 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 69120, while the sum is 37.
The square root of 1385048233 is about 37216.2361476816. The cubic root of 1385048233 is about 1114.6922094125.
The spelling of 1385048233 in words is "one billion, three hundred eighty-five million, forty-eight thousand, two hundred thirty-three".
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