Base | Representation |
---|---|
bin | 1111000111000… |
… | …1111010010101 |
3 | 11102021002120200 |
4 | 3301301322111 |
5 | 112211144031 |
6 | 10142251113 |
7 | 1366505445 |
oct | 361617225 |
9 | 142232520 |
10 | 63381141 |
11 | 3286020a |
12 | 19286a99 |
13 | 10191c45 |
14 | 85bc125 |
15 | 586e8e6 |
hex | 3c71e95 |
63381141 has 6 divisors (see below), whose sum is σ = 91550550. Its totient is φ = 42254088.
The previous prime is 63381139. The next prime is 63381161. The reversal of 63381141 is 14118336.
It can be written as a sum of positive squares in only one way, i.e., 58844241 + 4536900 = 7671^2 + 2130^2 .
It is not a de Polignac number, because 63381141 - 21 = 63381139 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (63381161) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3521166 + ... + 3521183.
It is an arithmetic number, because the mean of its divisors is an integer number (15258425).
Almost surely, 263381141 is an apocalyptic number.
It is an amenable number.
63381141 is a deficient number, since it is larger than the sum of its proper divisors (28169409).
63381141 is a wasteful number, since it uses less digits than its factorization.
63381141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7042355 (or 7042352 counting only the distinct ones).
The product of its digits is 1728, while the sum is 27.
The square root of 63381141 is about 7961.2273551256. The cubic root of 63381141 is about 398.7065322782.
Adding to 63381141 its reverse (14118336), we get a palindrome (77499477).
The spelling of 63381141 in words is "sixty-three million, three hundred eighty-one thousand, one hundred forty-one".
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