Base | Representation |
---|---|
bin | 11101010000000… |
… | …001110010001001 |
3 | 1021012102012220220 |
4 | 131100001302021 |
5 | 2001112201443 |
6 | 120410140253 |
7 | 15106141260 |
oct | 3520016211 |
9 | 1235365826 |
10 | 490740873 |
11 | 232012977 |
12 | 118421689 |
13 | 7a89281c |
14 | 492655d7 |
15 | 2d139a83 |
hex | 1d401c89 |
490740873 has 32 divisors (see below), whose sum is σ = 789565440. Its totient is φ = 265586256.
The previous prime is 490740869. The next prime is 490740889. The reversal of 490740873 is 378047094.
It is not a de Polignac number, because 490740873 - 22 = 490740869 is a prime.
It is not an unprimeable number, because it can be changed into a prime (490740823) 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 in 31 ways as a sum of consecutive naturals, for example, 142336 + ... + 145742.
It is an arithmetic number, because the mean of its divisors is an integer number (24673920).
Almost surely, 2490740873 is an apocalyptic number.
It is an amenable number.
490740873 is a deficient number, since it is larger than the sum of its proper divisors (298824567).
490740873 is an equidigital number, since it uses as much as digits as its factorization.
490740873 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3474 (or 3436 counting only the distinct ones).
The product of its (nonzero) digits is 169344, while the sum is 42.
The square root of 490740873 is about 22152.6719155952. The cubic root of 490740873 is about 788.7706527209.
The spelling of 490740873 in words is "four hundred ninety million, seven hundred forty thousand, eight hundred seventy-three".
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