Base | Representation |
---|---|
bin | 110000010001… |
… | …1101110001101 |
3 | 1202121222201201 |
4 | 1200203232031 |
5 | 22434442031 |
6 | 2302305501 |
7 | 425102221 |
oct | 140435615 |
9 | 52558651 |
10 | 25312141 |
11 | 13319428 |
12 | 8588291 |
13 | 53232ca |
14 | 350c781 |
15 | 234ed61 |
hex | 1823b8d |
25312141 has 2 divisors, whose sum is σ = 25312142. Its totient is φ = 25312140.
The previous prime is 25312117. The next prime is 25312159. The reversal of 25312141 is 14121352.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 21996100 + 3316041 = 4690^2 + 1821^2 .
It is a cyclic number.
It is not a de Polignac number, because 25312141 - 25 = 25312109 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (25312171) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12656070 + 12656071.
It is an arithmetic number, because the mean of its divisors is an integer number (12656071).
Almost surely, 225312141 is an apocalyptic number.
It is an amenable number.
25312141 is a deficient number, since it is larger than the sum of its proper divisors (1).
25312141 is an equidigital number, since it uses as much as digits as its factorization.
25312141 is an evil number, because the sum of its binary digits is even.
The product of its digits is 240, while the sum is 19.
The square root of 25312141 is about 5031.1172715412. The cubic root of 25312141 is about 293.6136849947.
Adding to 25312141 its reverse (14121352), we get a palindrome (39433493).
The spelling of 25312141 in words is "twenty-five million, three hundred twelve thousand, one hundred forty-one".
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