Base | Representation |
---|---|
bin | 111011111010… |
… | …1111011101001 |
3 | 2012010002201002 |
4 | 1313311323221 |
5 | 31020303131 |
6 | 3041204345 |
7 | 531013646 |
oct | 167657351 |
9 | 65102632 |
10 | 31416041 |
11 | 16808378 |
12 | a6306b5 |
13 | 667c697 |
14 | 425adcd |
15 | 2b586cb |
hex | 1df5ee9 |
31416041 has 2 divisors, whose sum is σ = 31416042. Its totient is φ = 31416040.
The previous prime is 31416031. The next prime is 31416043. The reversal of 31416041 is 14061413.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 31416025 + 16 = 5605^2 + 4^2 .
It is a cyclic number.
It is not a de Polignac number, because 31416041 - 26 = 31415977 is a prime.
It is a super-2 number, since 2×314160412 = 1973935264227362, which contains 22 as substring.
Together with 31416043, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (31416043) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15708020 + 15708021.
It is an arithmetic number, because the mean of its divisors is an integer number (15708021).
Almost surely, 231416041 is an apocalyptic number.
It is an amenable number.
31416041 is a deficient number, since it is larger than the sum of its proper divisors (1).
31416041 is an equidigital number, since it uses as much as digits as its factorization.
31416041 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 288, while the sum is 20.
The square root of 31416041 is about 5605.0014272969. The cubic root of 31416041 is about 315.5371401497.
Adding to 31416041 its reverse (14061413), we get a palindrome (45477454).
The spelling of 31416041 in words is "thirty-one million, four hundred sixteen thousand, forty-one".
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