Base | Representation |
---|---|
bin | 110001111000… |
… | …000110101001 |
3 | 220121021022222 |
4 | 301320012221 |
5 | 11321343412 |
6 | 1144123425 |
7 | 216064055 |
oct | 61700651 |
9 | 26537288 |
10 | 13074857 |
11 | 7420374 |
12 | 4466575 |
13 | 292a303 |
14 | 1a44c65 |
15 | 1234072 |
hex | c781a9 |
13074857 has 2 divisors, whose sum is σ = 13074858. Its totient is φ = 13074856.
The previous prime is 13074829. The next prime is 13074871. The reversal of 13074857 is 75847031.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 12931216 + 143641 = 3596^2 + 379^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13074857 is a prime.
It is not a weakly prime, because it can be changed into another prime (13074827) 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, 6537428 + 6537429.
It is an arithmetic number, because the mean of its divisors is an integer number (6537429).
Almost surely, 213074857 is an apocalyptic number.
It is an amenable number.
13074857 is a deficient number, since it is larger than the sum of its proper divisors (1).
13074857 is an equidigital number, since it uses as much as digits as its factorization.
13074857 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 23520, while the sum is 35.
The square root of 13074857 is about 3615.9171727240. The cubic root of 13074857 is about 235.5839228606.
It can be divided in two parts, 13074 and 857, that added together give a palindrome (13931).
The spelling of 13074857 in words is "thirteen million, seventy-four thousand, eight hundred fifty-seven".
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