Base | Representation |
---|---|
bin | 1100001010010… |
… | …1001000011101 |
3 | 10112222110212021 |
4 | 3002211020131 |
5 | 101024224104 |
6 | 5021140141 |
7 | 1156363312 |
oct | 302451035 |
9 | 115873767 |
10 | 51008029 |
11 | 2687a0a6 |
12 | 150ba651 |
13 | a74c187 |
14 | 6abad09 |
15 | 4728754 |
hex | 30a521d |
51008029 has 2 divisors, whose sum is σ = 51008030. Its totient is φ = 51008028.
The previous prime is 51008011. The next prime is 51008047. The reversal of 51008029 is 92080015.
It is a balanced prime because it is at equal distance from previous prime (51008011) and next prime (51008047).
It can be written as a sum of positive squares in only one way, i.e., 42276004 + 8732025 = 6502^2 + 2955^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-51008029 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 51007994 and 51008012.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (51008329) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25504014 + 25504015.
It is an arithmetic number, because the mean of its divisors is an integer number (25504015).
Almost surely, 251008029 is an apocalyptic number.
It is an amenable number.
51008029 is a deficient number, since it is larger than the sum of its proper divisors (1).
51008029 is an equidigital number, since it uses as much as digits as its factorization.
51008029 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 720, while the sum is 25.
The square root of 51008029 is about 7141.9905488596. The cubic root of 51008029 is about 370.8624366784.
The spelling of 51008029 in words is "fifty-one million, eight thousand, twenty-nine".
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