Base | Representation |
---|---|
bin | 1000001000101… |
… | …10111001000001 |
3 | 11202102112001021 |
4 | 10010112321001 |
5 | 114433014301 |
6 | 10434505441 |
7 | 1456061044 |
oct | 404267101 |
9 | 152375037 |
10 | 68251201 |
11 | 35587157 |
12 | 1aa35281 |
13 | 111a8835 |
14 | 90c8c5b |
15 | 5ed28a1 |
hex | 4116e41 |
68251201 has 2 divisors, whose sum is σ = 68251202. Its totient is φ = 68251200.
The previous prime is 68251177. The next prime is 68251213. The reversal of 68251201 is 10215286.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 66846976 + 1404225 = 8176^2 + 1185^2 .
It is a cyclic number.
It is not a de Polignac number, because 68251201 - 225 = 34696769 is a prime.
It is not a weakly prime, because it can be changed into another prime (68251291) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34125600 + 34125601.
It is an arithmetic number, because the mean of its divisors is an integer number (34125601).
Almost surely, 268251201 is an apocalyptic number.
It is an amenable number.
68251201 is a deficient number, since it is larger than the sum of its proper divisors (1).
68251201 is an equidigital number, since it uses as much as digits as its factorization.
68251201 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 960, while the sum is 25.
The square root of 68251201 is about 8261.4285084361. The cubic root of 68251201 is about 408.6674983668.
Adding to 68251201 its reverse (10215286), we get a palindrome (78466487).
The spelling of 68251201 in words is "sixty-eight million, two hundred fifty-one thousand, two hundred one".
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