Base | Representation |
---|---|
bin | 11100111101001… |
… | …001011000010001 |
3 | 1020212002202022111 |
4 | 130331021120101 |
5 | 1443330304444 |
6 | 120112105321 |
7 | 15016105006 |
oct | 3475113021 |
9 | 1225082274 |
10 | 485791249 |
11 | 22a242179 |
12 | 116835241 |
13 | 7984b958 |
14 | 487378ad |
15 | 2c9ad234 |
hex | 1cf49611 |
485791249 has 4 divisors (see below), whose sum is σ = 485864164. Its totient is φ = 485718336.
The previous prime is 485791219. The next prime is 485791277. The reversal of 485791249 is 942197584.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 321951249 + 163840000 = 17943^2 + 12800^2 .
It is a cyclic number.
It is not a de Polignac number, because 485791249 - 211 = 485789201 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (485791219) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25332 + ... + 40165.
It is an arithmetic number, because the mean of its divisors is an integer number (121466041).
Almost surely, 2485791249 is an apocalyptic number.
It is an amenable number.
485791249 is a deficient number, since it is larger than the sum of its proper divisors (72915).
485791249 is an equidigital number, since it uses as much as digits as its factorization.
485791249 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72914.
The product of its digits is 725760, while the sum is 49.
The square root of 485791249 is about 22040.6726077041. The cubic root of 485791249 is about 786.1098337494.
The spelling of 485791249 in words is "four hundred eighty-five million, seven hundred ninety-one thousand, two hundred forty-nine".
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