Base | Representation |
---|---|
bin | 1000000001111… |
… | …01100111110101 |
3 | 11200202022021211 |
4 | 10000331213311 |
5 | 114221030034 |
6 | 10403441421 |
7 | 1445363353 |
oct | 400754765 |
9 | 150668254 |
10 | 67361269 |
11 | 35029578 |
12 | 1a686271 |
13 | 10c56751 |
14 | 8d367d3 |
15 | 5da8d64 |
hex | 403d9f5 |
67361269 has 2 divisors, whose sum is σ = 67361270. Its totient is φ = 67361268.
The previous prime is 67361209. The next prime is 67361299. The reversal of 67361269 is 96216376.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 66227044 + 1134225 = 8138^2 + 1065^2 .
It is a cyclic number.
It is not a de Polignac number, because 67361269 - 217 = 67230197 is a prime.
It is a super-2 number, since 2×673612692 = 9075081122580722, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (67361209) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33680634 + 33680635.
It is an arithmetic number, because the mean of its divisors is an integer number (33680635).
Almost surely, 267361269 is an apocalyptic number.
It is an amenable number.
67361269 is a deficient number, since it is larger than the sum of its proper divisors (1).
67361269 is an equidigital number, since it uses as much as digits as its factorization.
67361269 is an evil number, because the sum of its binary digits is even.
The product of its digits is 81648, while the sum is 40.
The square root of 67361269 is about 8207.3911202038. The cubic root of 67361269 is about 406.8835075612.
The spelling of 67361269 in words is "sixty-seven million, three hundred sixty-one thousand, two hundred sixty-nine".
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