Base | Representation |
---|---|
bin | 11101001101111… |
… | …001100001011011 |
3 | 1021011100212022120 |
4 | 131031321201123 |
5 | 2000441321442 |
6 | 120350152323 |
7 | 15101325135 |
oct | 3515714133 |
9 | 1234325276 |
10 | 490182747 |
11 | 23177160a |
12 | 1181b26a3 |
13 | 7a728782 |
14 | 4915c055 |
15 | 2d0794ec |
hex | 1d37985b |
490182747 has 4 divisors (see below), whose sum is σ = 653577000. Its totient is φ = 326788496.
The previous prime is 490182713. The next prime is 490182761. The reversal of 490182747 is 747281094.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 490182747 - 28 = 490182491 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 490182699 and 490182708.
It is not an unprimeable number, because it can be changed into a prime (490183747) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81697122 + ... + 81697127.
It is an arithmetic number, because the mean of its divisors is an integer number (163394250).
Almost surely, 2490182747 is an apocalyptic number.
490182747 is a deficient number, since it is larger than the sum of its proper divisors (163394253).
490182747 is a wasteful number, since it uses less digits than its factorization.
490182747 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 163394252.
The product of its (nonzero) digits is 112896, while the sum is 42.
The square root of 490182747 is about 22140.0710703466. The cubic root of 490182747 is about 788.4715129009.
The spelling of 490182747 in words is "four hundred ninety million, one hundred eighty-two thousand, seven hundred forty-seven".
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