Base | Representation |
---|---|
bin | 1110010101101… |
… | …1001010110101 |
3 | 11012011112200011 |
4 | 3211123022311 |
5 | 110344023021 |
6 | 5545020221 |
7 | 1330125604 |
oct | 345331265 |
9 | 135145604 |
10 | 60142261 |
11 | 30a48853 |
12 | 18184671 |
13 | c5c994a |
14 | 7db7a3b |
15 | 542ede1 |
hex | 395b2b5 |
60142261 has 2 divisors, whose sum is σ = 60142262. Its totient is φ = 60142260.
The previous prime is 60142253. The next prime is 60142283. The reversal of 60142261 is 16224106.
It is an a-pointer prime, because the next prime (60142283) can be obtained adding 60142261 to its sum of digits (22).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 48024900 + 12117361 = 6930^2 + 3481^2 .
It is a cyclic number.
It is not a de Polignac number, because 60142261 - 23 = 60142253 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (60142241) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30071130 + 30071131.
It is an arithmetic number, because the mean of its divisors is an integer number (30071131).
Almost surely, 260142261 is an apocalyptic number.
It is an amenable number.
60142261 is a deficient number, since it is larger than the sum of its proper divisors (1).
60142261 is an equidigital number, since it uses as much as digits as its factorization.
60142261 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 576, while the sum is 22.
The square root of 60142261 is about 7755.1441637148. The cubic root of 60142261 is about 391.7959271161.
Adding to 60142261 its reverse (16224106), we get a palindrome (76366367).
The spelling of 60142261 in words is "sixty million, one hundred forty-two thousand, two hundred sixty-one".
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