Base | Representation |
---|---|
bin | 10011100100000100111011 |
3 | 100122112222201 |
4 | 103210010323 |
5 | 2303103012 |
6 | 301531031 |
7 | 61406626 |
oct | 23440473 |
9 | 10575881 |
10 | 5128507 |
11 | 299313a |
12 | 1873a77 |
13 | 10a7427 |
14 | 976dbd |
15 | 6b4857 |
hex | 4e413b |
5128507 has 2 divisors, whose sum is σ = 5128508. Its totient is φ = 5128506.
The previous prime is 5128493. The next prime is 5128511. The reversal of 5128507 is 7058215.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-5128507 is a prime.
It is equal to p356806 and since 5128507 and 356806 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (5128007) 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, 2564253 + 2564254.
It is an arithmetic number, because the mean of its divisors is an integer number (2564254).
Almost surely, 25128507 is an apocalyptic number.
5128507 is a deficient number, since it is larger than the sum of its proper divisors (1).
5128507 is an equidigital number, since it uses as much as digits as its factorization.
5128507 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2800, while the sum is 28.
The square root of 5128507 is about 2264.6207187960. The cubic root of 5128507 is about 172.4501795494.
The spelling of 5128507 in words is "five million, one hundred twenty-eight thousand, five hundred seven".
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