Base | Representation |
---|---|
bin | 101111111111… |
… | …1010100010101 |
3 | 1202100102012001 |
4 | 1133333110111 |
5 | 22420204104 |
6 | 2255155301 |
7 | 423611413 |
oct | 137772425 |
9 | 52312161 |
10 | 25163029 |
11 | 132273a1 |
12 | 8515b31 |
13 | 52a0488 |
14 | 34b02b3 |
15 | 2320aa4 |
hex | 17ff515 |
25163029 has 2 divisors, whose sum is σ = 25163030. Its totient is φ = 25163028.
The previous prime is 25162999. The next prime is 25163057. The reversal of 25163029 is 92036152.
It is an a-pointer prime, because the next prime (25163057) can be obtained adding 25163029 to its sum of digits (28).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 13704804 + 11458225 = 3702^2 + 3385^2 .
It is a cyclic number.
It is not a de Polignac number, because 25163029 - 221 = 23065877 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 25162988 and 25163006.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (25163069) 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, 12581514 + 12581515.
It is an arithmetic number, because the mean of its divisors is an integer number (12581515).
Almost surely, 225163029 is an apocalyptic number.
It is an amenable number.
25163029 is a deficient number, since it is larger than the sum of its proper divisors (1).
25163029 is an equidigital number, since it uses as much as digits as its factorization.
25163029 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3240, while the sum is 28.
The square root of 25163029 is about 5016.2764078547. The cubic root of 25163029 is about 293.0359967733.
The spelling of 25163029 in words is "twenty-five million, one hundred sixty-three thousand, twenty-nine".
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