Base | Representation |
---|---|
bin | 1110111110000010011 |
3 | 220220212020 |
4 | 1313300103 |
5 | 111144030 |
6 | 14302523 |
7 | 4112034 |
oct | 1676023 |
9 | 826766 |
10 | 490515 |
11 | 305593 |
12 | 1b7a43 |
13 | 14235c |
14 | caa8b |
15 | 9a510 |
hex | 77c13 |
490515 has 16 divisors (see below), whose sum is σ = 800928. Its totient is φ = 256256.
The previous prime is 490499. The next prime is 490519. The reversal of 490515 is 515094.
It is a cyclic number.
It is not a de Polignac number, because 490515 - 24 = 490499 is a prime.
It is not an unprimeable number, because it can be changed into a prime (490519) 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 15 ways as a sum of consecutive naturals, for example, 487 + ... + 1103.
It is an arithmetic number, because the mean of its divisors is an integer number (50058).
2490515 is an apocalyptic number.
490515 is a deficient number, since it is larger than the sum of its proper divisors (310413).
490515 is a wasteful number, since it uses less digits than its factorization.
490515 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 678.
The product of its (nonzero) digits is 900, while the sum is 24.
The square root of 490515 is about 700.3677605373. The cubic root of 490515 is about 78.8649618488.
The spelling of 490515 in words is "four hundred ninety thousand, five hundred fifteen".
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