Base | Representation |
---|---|
bin | 1000000001100… |
… | …01111000110001 |
3 | 11200122212100112 |
4 | 10000301320301 |
5 | 114213010301 |
6 | 10402431105 |
7 | 1445103254 |
oct | 400617061 |
9 | 150585315 |
10 | 67313201 |
11 | 34aa644a |
12 | 1a662495 |
13 | 10c3a8c7 |
14 | 8d2309b |
15 | 5d999bb |
hex | 4031e31 |
67313201 has 2 divisors, whose sum is σ = 67313202. Its totient is φ = 67313200.
The previous prime is 67313177. The next prime is 67313231. The reversal of 67313201 is 10231376.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 42562576 + 24750625 = 6524^2 + 4975^2 .
It is a cyclic number.
It is not a de Polignac number, because 67313201 - 210 = 67312177 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (67313231) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33656600 + 33656601.
It is an arithmetic number, because the mean of its divisors is an integer number (33656601).
Almost surely, 267313201 is an apocalyptic number.
It is an amenable number.
67313201 is a deficient number, since it is larger than the sum of its proper divisors (1).
67313201 is an equidigital number, since it uses as much as digits as its factorization.
67313201 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 756, while the sum is 23.
The square root of 67313201 is about 8204.4622614770. The cubic root of 67313201 is about 406.7867025242.
Adding to 67313201 its reverse (10231376), we get a palindrome (77544577).
The spelling of 67313201 in words is "sixty-seven million, three hundred thirteen thousand, two hundred one".
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