Base | Representation |
---|---|
bin | 11110010100001… |
… | …01111101011011 |
3 | 122201111222122001 |
4 | 33022011331123 |
5 | 1010100212331 |
6 | 41122341431 |
7 | 6205356226 |
oct | 1712057533 |
9 | 581458561 |
10 | 254304091 |
11 | 120603478 |
12 | 711ba877 |
13 | 408bb7c2 |
14 | 25aba5bd |
15 | 174d4561 |
hex | f285f5b |
254304091 has 2 divisors, whose sum is σ = 254304092. Its totient is φ = 254304090.
The previous prime is 254304053. The next prime is 254304119. The reversal of 254304091 is 190403452.
It is an a-pointer prime, because the next prime (254304119) can be obtained adding 254304091 to its sum of digits (28).
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 254304091 - 27 = 254303963 is a prime.
It is not a weakly prime, because it can be changed into another prime (254314091) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127152045 + 127152046.
It is an arithmetic number, because the mean of its divisors is an integer number (127152046).
Almost surely, 2254304091 is an apocalyptic number.
254304091 is a deficient number, since it is larger than the sum of its proper divisors (1).
254304091 is an equidigital number, since it uses as much as digits as its factorization.
254304091 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4320, while the sum is 28.
The square root of 254304091 is about 15946.9147799817. The cubic root of 254304091 is about 633.5551841131. Note that the first 3 decimals are identical.
The spelling of 254304091 in words is "two hundred fifty-four million, three hundred four thousand, ninety-one".
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