Base | Representation |
---|---|
bin | 1101011110010… |
… | …0111011001001 |
3 | 10221100010011111 |
4 | 3113210323021 |
5 | 103431342301 |
6 | 5335130321 |
7 | 1254226414 |
oct | 327447311 |
9 | 127303144 |
10 | 56512201 |
11 | 299994a9 |
12 | 16b139a1 |
13 | b928595 |
14 | 7710b7b |
15 | 4e64551 |
hex | 35e4ec9 |
56512201 has 2 divisors, whose sum is σ = 56512202. Its totient is φ = 56512200.
The previous prime is 56512193. The next prime is 56512229. The reversal of 56512201 is 10221565.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 28676025 + 27836176 = 5355^2 + 5276^2 .
It is a cyclic number.
It is not a de Polignac number, because 56512201 - 23 = 56512193 is a prime.
It is not a weakly prime, because it can be changed into another prime (56519201) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28256100 + 28256101.
It is an arithmetic number, because the mean of its divisors is an integer number (28256101).
Almost surely, 256512201 is an apocalyptic number.
It is an amenable number.
56512201 is a deficient number, since it is larger than the sum of its proper divisors (1).
56512201 is an equidigital number, since it uses as much as digits as its factorization.
56512201 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 600, while the sum is 22.
The square root of 56512201 is about 7517.4597438230. The cubic root of 56512201 is about 383.7491331100.
Adding to 56512201 its reverse (10221565), we get a palindrome (66733766).
The spelling of 56512201 in words is "fifty-six million, five hundred twelve thousand, two hundred one".
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