Base | Representation |
---|---|
bin | 11100101100010… |
… | …001100001010101 |
3 | 1020112210000221222 |
4 | 130230101201111 |
5 | 1441212240044 |
6 | 115433220125 |
7 | 14633363453 |
oct | 3454214125 |
9 | 1215700858 |
10 | 481368149 |
11 | 2277a1019 |
12 | 115261645 |
13 | 78960632 |
14 | 47d059d3 |
15 | 2c3d78ee |
hex | 1cb11855 |
481368149 has 2 divisors, whose sum is σ = 481368150. Its totient is φ = 481368148.
The previous prime is 481368119. The next prime is 481368157. The reversal of 481368149 is 941863184.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 368371249 + 112996900 = 19193^2 + 10630^2 .
It is a cyclic number.
It is not a de Polignac number, because 481368149 - 228 = 212932693 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (481368109) 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, 240684074 + 240684075.
It is an arithmetic number, because the mean of its divisors is an integer number (240684075).
Almost surely, 2481368149 is an apocalyptic number.
It is an amenable number.
481368149 is a deficient number, since it is larger than the sum of its proper divisors (1).
481368149 is an equidigital number, since it uses as much as digits as its factorization.
481368149 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 165888, while the sum is 44.
The square root of 481368149 is about 21940.1036688526. The cubic root of 481368149 is about 783.7167284311.
The spelling of 481368149 in words is "four hundred eighty-one million, three hundred sixty-eight thousand, one hundred forty-nine".
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