Base | Representation |
---|---|
bin | 11101001101100… |
… | …001100010110011 |
3 | 1021011011212120221 |
4 | 131031201202303 |
5 | 2000430201111 |
6 | 120344113511 |
7 | 15100435606 |
oct | 3515414263 |
9 | 1234155527 |
10 | 490084531 |
11 | 231704842 |
12 | 118165897 |
13 | 7a6c2b61 |
14 | 4913433d |
15 | 2d05a371 |
hex | 1d3618b3 |
490084531 has 2 divisors, whose sum is σ = 490084532. Its totient is φ = 490084530.
The previous prime is 490084523. The next prime is 490084579. The reversal of 490084531 is 135480094.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 490084531 - 23 = 490084523 is a prime.
It is a super-2 number, since 2×4900845312 = 480365695050979922, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (490084591) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245042265 + 245042266.
It is an arithmetic number, because the mean of its divisors is an integer number (245042266).
Almost surely, 2490084531 is an apocalyptic number.
490084531 is a deficient number, since it is larger than the sum of its proper divisors (1).
490084531 is an equidigital number, since it uses as much as digits as its factorization.
490084531 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 17280, while the sum is 34.
The square root of 490084531 is about 22137.8528995022. The cubic root of 490084531 is about 788.4188483989.
The spelling of 490084531 in words is "four hundred ninety million, eighty-four thousand, five hundred thirty-one".
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