Base | Representation |
---|---|
bin | 111011010011… |
… | …1011111010101 |
3 | 2011111202222002 |
4 | 1312213133111 |
5 | 30430012431 |
6 | 3030245045 |
7 | 525205136 |
oct | 166473725 |
9 | 64452862 |
10 | 31094741 |
11 | 16608a37 |
12 | a4b6785 |
13 | 6599372 |
14 | 41b5c8d |
15 | 2ae33cb |
hex | 1da77d5 |
31094741 has 2 divisors, whose sum is σ = 31094742. Its totient is φ = 31094740.
The previous prime is 31094671. The next prime is 31094759. The reversal of 31094741 is 14749013.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 22562500 + 8532241 = 4750^2 + 2921^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31094741 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31094761) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15547370 + 15547371.
It is an arithmetic number, because the mean of its divisors is an integer number (15547371).
Almost surely, 231094741 is an apocalyptic number.
It is an amenable number.
31094741 is a deficient number, since it is larger than the sum of its proper divisors (1).
31094741 is an equidigital number, since it uses as much as digits as its factorization.
31094741 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3024, while the sum is 29.
The square root of 31094741 is about 5576.2658652543. The cubic root of 31094741 is about 314.4577586467.
The spelling of 31094741 in words is "thirty-one million, ninety-four thousand, seven hundred forty-one".
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