Base | Representation |
---|---|
bin | 11101010000111… |
… | …010010000111011 |
3 | 1021012211222021021 |
4 | 131100322100323 |
5 | 2001142102334 |
6 | 120415123311 |
7 | 15111123613 |
oct | 3520722073 |
9 | 1235758237 |
10 | 490972219 |
11 | 232160771 |
12 | 118513537 |
13 | 7a943c0a |
14 | 492c5a43 |
15 | 2d1833b4 |
hex | 1d43a43b |
490972219 has 2 divisors, whose sum is σ = 490972220. Its totient is φ = 490972218.
The previous prime is 490972201. The next prime is 490972249. The reversal of 490972219 is 912279094.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 490972219 - 27 = 490972091 is a prime.
It is a super-2 number, since 2×4909722192 = 482107439659567922, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (490972249) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245486109 + 245486110.
It is an arithmetic number, because the mean of its divisors is an integer number (245486110).
Almost surely, 2490972219 is an apocalyptic number.
490972219 is a deficient number, since it is larger than the sum of its proper divisors (1).
490972219 is an equidigital number, since it uses as much as digits as its factorization.
490972219 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 81648, while the sum is 43.
The square root of 490972219 is about 22157.8929278034. The cubic root of 490972219 is about 788.8945811715.
The spelling of 490972219 in words is "four hundred ninety million, nine hundred seventy-two thousand, two hundred nineteen".
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