Base | Representation |
---|---|
bin | 11101010000000… |
… | …001110010110011 |
3 | 1021012102012222110 |
4 | 131100001302303 |
5 | 2001112202130 |
6 | 120410140403 |
7 | 15106141350 |
oct | 3520016263 |
9 | 1235365873 |
10 | 490740915 |
11 | 232012a05 |
12 | 118421703 |
13 | 7a892852 |
14 | 49265627 |
15 | 2d139ab0 |
hex | 1d401cb3 |
490740915 has 16 divisors (see below), whose sum is σ = 897355008. Its totient is φ = 224338656.
The previous prime is 490740889. The next prime is 490740919. The reversal of 490740915 is 519047094.
It is not a de Polignac number, because 490740915 - 212 = 490736819 is a prime.
It is not an unprimeable number, because it can be changed into a prime (490740919) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2336757 + ... + 2336966.
It is an arithmetic number, because the mean of its divisors is an integer number (56084688).
Almost surely, 2490740915 is an apocalyptic number.
490740915 is a deficient number, since it is larger than the sum of its proper divisors (406614093).
490740915 is a wasteful number, since it uses less digits than its factorization.
490740915 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4673738.
The product of its (nonzero) digits is 45360, while the sum is 39.
The square root of 490740915 is about 22152.6728635621. The cubic root of 490740915 is about 788.7706752232.
The spelling of 490740915 in words is "four hundred ninety million, seven hundred forty thousand, nine hundred fifteen".
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