Base | Representation |
---|---|
bin | 1110111110001001111 |
3 | 220220221110 |
4 | 1313301033 |
5 | 111144300 |
6 | 14303103 |
7 | 4112151 |
oct | 1676117 |
9 | 826843 |
10 | 490575 |
11 | 305638 |
12 | 1b7a93 |
13 | 1423a7 |
14 | caad1 |
15 | 9a550 |
hex | 77c4f |
490575 has 24 divisors (see below), whose sum is σ = 841216. Its totient is φ = 252000.
The previous prime is 490573. The next prime is 490577. The reversal of 490575 is 575094.
It is an interprime number because it is at equal distance from previous prime (490573) and next prime (490577).
It is not a de Polignac number, because 490575 - 21 = 490573 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (490571) 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 23 ways as a sum of consecutive naturals, for example, 2220 + ... + 2430.
2490575 is an apocalyptic number.
490575 is a deficient number, since it is larger than the sum of its proper divisors (350641).
490575 is a wasteful number, since it uses less digits than its factorization.
490575 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 255 (or 250 counting only the distinct ones).
The product of its (nonzero) digits is 6300, while the sum is 30.
The square root of 490575 is about 700.4105938662. The cubic root of 490575 is about 78.8681773161.
Subtracting from 490575 its sum of digits (30), we obtain a triangular number (490545 = T990).
The spelling of 490575 in words is "four hundred ninety thousand, five hundred seventy-five".
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