Base | Representation |
---|---|
bin | 100001000010111… |
… | …000000001001111 |
3 | 1102122012112101122 |
4 | 201002320001033 |
5 | 2113411324441 |
6 | 131002431155 |
7 | 16511223662 |
oct | 4102700117 |
9 | 1378175348 |
10 | 554401871 |
11 | 264a44371 |
12 | 1358024bb |
13 | 8ab21c5a |
14 | 538b76d9 |
15 | 33a1234b |
hex | 210b804f |
554401871 has 2 divisors, whose sum is σ = 554401872. Its totient is φ = 554401870.
The previous prime is 554401853. The next prime is 554401891. The reversal of 554401871 is 178104455.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 554401871 - 218 = 554139727 is a prime.
It is a super-2 number, since 2×5544018712 = 614722869136601282, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (554401891) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277200935 + 277200936.
It is an arithmetic number, because the mean of its divisors is an integer number (277200936).
Almost surely, 2554401871 is an apocalyptic number.
554401871 is a deficient number, since it is larger than the sum of its proper divisors (1).
554401871 is an equidigital number, since it uses as much as digits as its factorization.
554401871 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 22400, while the sum is 35.
The square root of 554401871 is about 23545.7399756304. The cubic root of 554401871 is about 821.5012509324.
The spelling of 554401871 in words is "five hundred fifty-four million, four hundred one thousand, eight hundred seventy-one".
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