Base | Representation |
---|---|
bin | 10001101010011… |
… | …01111000111001 |
3 | 101022210201121221 |
4 | 20311031320321 |
5 | 300412340444 |
6 | 22411432041 |
7 | 3446260255 |
oct | 1065157071 |
9 | 338721557 |
10 | 148168249 |
11 | 76700aa9 |
12 | 41755621 |
13 | 2490a228 |
14 | 1596d265 |
15 | d01ba84 |
hex | 8d4de39 |
148168249 has 2 divisors, whose sum is σ = 148168250. Its totient is φ = 148168248.
The previous prime is 148168247. The next prime is 148168259. The reversal of 148168249 is 942861841.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 142969849 + 5198400 = 11957^2 + 2280^2 .
It is a cyclic number.
It is not a de Polignac number, because 148168249 - 21 = 148168247 is a prime.
Together with 148168247, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (148168247) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74084124 + 74084125.
It is an arithmetic number, because the mean of its divisors is an integer number (74084125).
Almost surely, 2148168249 is an apocalyptic number.
It is an amenable number.
148168249 is a deficient number, since it is larger than the sum of its proper divisors (1).
148168249 is an equidigital number, since it uses as much as digits as its factorization.
148168249 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 110592, while the sum is 43.
The square root of 148168249 is about 12172.4380877456. The cubic root of 148168249 is about 529.1576139922.
The spelling of 148168249 in words is "one hundred forty-eight million, one hundred sixty-eight thousand, two hundred forty-nine".
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