Base | Representation |
---|---|
bin | 1111000001111000111 |
3 | 221000120021 |
4 | 1320033013 |
5 | 111224422 |
6 | 14320011 |
7 | 4120552 |
oct | 1701707 |
9 | 830507 |
10 | 492487 |
11 | 307016 |
12 | 1b9007 |
13 | 143218 |
14 | cb699 |
15 | 9adc7 |
hex | 783c7 |
492487 has 2 divisors, whose sum is σ = 492488. Its totient is φ = 492486.
The previous prime is 492467. The next prime is 492491. The reversal of 492487 is 784294.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-492487 is a prime.
It is a zygodrome in base 2 and base 5.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (492467) 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 as a sum of consecutive naturals, namely, 246243 + 246244.
It is an arithmetic number, because the mean of its divisors is an integer number (246244).
2492487 is an apocalyptic number.
492487 is a deficient number, since it is larger than the sum of its proper divisors (1).
492487 is an equidigital number, since it uses as much as digits as its factorization.
492487 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 16128, while the sum is 34.
The square root of 492487 is about 701.7741802033. The cubic root of 492487 is about 78.9705065357.
It can be divided in two parts, 492 and 487, that added together give a palindrome (979).
The spelling of 492487 in words is "four hundred ninety-two thousand, four hundred eighty-seven".
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