Base | Representation |
---|---|
bin | 11110010010101… |
… | …11011001110001 |
3 | 122201011022001011 |
4 | 33021113121301 |
5 | 1010023112033 |
6 | 41114310521 |
7 | 6203633242 |
oct | 1711273161 |
9 | 581138034 |
10 | 254113393 |
11 | 120493176 |
12 | 71128441 |
13 | 40852a71 |
14 | 25a6acc9 |
15 | 17497ccd |
hex | f257671 |
254113393 has 2 divisors, whose sum is σ = 254113394. Its totient is φ = 254113392.
The previous prime is 254113357. The next prime is 254113397. The reversal of 254113393 is 393311452.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 251127409 + 2985984 = 15847^2 + 1728^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-254113393 is a prime.
It is not a weakly prime, because it can be changed into another prime (254113397) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127056696 + 127056697.
It is an arithmetic number, because the mean of its divisors is an integer number (127056697).
Almost surely, 2254113393 is an apocalyptic number.
It is an amenable number.
254113393 is a deficient number, since it is larger than the sum of its proper divisors (1).
254113393 is an equidigital number, since it uses as much as digits as its factorization.
254113393 is an evil number, because the sum of its binary digits is even.
The product of its digits is 9720, while the sum is 31.
The square root of 254113393 is about 15940.9345083656. The cubic root of 254113393 is about 633.3967806858.
The spelling of 254113393 in words is "two hundred fifty-four million, one hundred thirteen thousand, three hundred ninety-three".
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