Base | Representation |
---|---|
bin | 100001001101010… |
… | …110011110111011 |
3 | 1102211101001111111 |
4 | 201031112132323 |
5 | 2120112214331 |
6 | 131141341151 |
7 | 16543452313 |
oct | 4115263673 |
9 | 1384331444 |
10 | 557148091 |
11 | 26654a675 |
12 | 1367077b7 |
13 | 8b573c36 |
14 | 53dd0443 |
15 | 33da5db1 |
hex | 213567bb |
557148091 has 2 divisors, whose sum is σ = 557148092. Its totient is φ = 557148090.
The previous prime is 557148083. The next prime is 557148121. The reversal of 557148091 is 190841755.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 557148091 - 23 = 557148083 is a prime.
It is not a weakly prime, because it can be changed into another prime (557145091) 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, 278574045 + 278574046.
It is an arithmetic number, because the mean of its divisors is an integer number (278574046).
Almost surely, 2557148091 is an apocalyptic number.
557148091 is a deficient number, since it is larger than the sum of its proper divisors (1).
557148091 is an equidigital number, since it uses as much as digits as its factorization.
557148091 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 50400, while the sum is 40.
The square root of 557148091 is about 23603.9846424285. The cubic root of 557148091 is about 822.8554480972.
The spelling of 557148091 in words is "five hundred fifty-seven million, one hundred forty-eight thousand, ninety-one".
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