Base | Representation |
---|---|
bin | 11101001110001… |
… | …000111011110001 |
3 | 1021011111001220120 |
4 | 131032020323301 |
5 | 2001000331443 |
6 | 120351400453 |
7 | 15102010155 |
oct | 3516107361 |
9 | 1234431816 |
10 | 490245873 |
11 | 231804a87 |
12 | 118223129 |
13 | 7a74b420 |
14 | 49177065 |
15 | 2d08d083 |
hex | 1d388ef1 |
490245873 has 16 divisors (see below), whose sum is σ = 726652416. Its totient is φ = 291957120.
The previous prime is 490245871. The next prime is 490245887. The reversal of 490245873 is 378542094.
It is not a de Polignac number, because 490245873 - 21 = 490245871 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (490245871) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201540 + ... + 203957.
It is an arithmetic number, because the mean of its divisors is an integer number (45415776).
Almost surely, 2490245873 is an apocalyptic number.
It is an amenable number.
490245873 is a deficient number, since it is larger than the sum of its proper divisors (236406543).
490245873 is a wasteful number, since it uses less digits than its factorization.
490245873 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 405544.
The product of its (nonzero) digits is 241920, while the sum is 42.
The square root of 490245873 is about 22141.4966296319. The cubic root of 490245873 is about 788.5053580444.
The spelling of 490245873 in words is "four hundred ninety million, two hundred forty-five thousand, eight hundred seventy-three".
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