Base | Representation |
---|---|
bin | 101111111011100… |
… | …101010100001010 |
3 | 2002001010222100102 |
4 | 233323211110022 |
5 | 3121330222430 |
6 | 211443405402 |
7 | 25633102145 |
oct | 5773452412 |
9 | 2061128312 |
10 | 804148490 |
11 | 382a14732 |
12 | 1a5383862 |
13 | ca7a6212 |
14 | 78b2905c |
15 | 4a8e6345 |
hex | 2fee550a |
804148490 has 8 divisors (see below), whose sum is σ = 1447467300. Its totient is φ = 321659392.
The previous prime is 804148483. The next prime is 804148493. The reversal of 804148490 is 94841408.
It can be written as a sum of positive squares in 2 ways, for example, as 720224569 + 83923921 = 26837^2 + 9161^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (804148493) 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, 40207415 + ... + 40207434.
Almost surely, 2804148490 is an apocalyptic number.
804148490 is a deficient number, since it is larger than the sum of its proper divisors (643318810).
804148490 is a wasteful number, since it uses less digits than its factorization.
804148490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80414856.
The product of its (nonzero) digits is 36864, while the sum is 38.
The square root of 804148490 is about 28357.5120558909. The cubic root of 804148490 is about 929.9196330907.
Adding to 804148490 its reverse (94841408), we get a palindrome (898989898).
The spelling of 804148490 in words is "eight hundred four million, one hundred forty-eight thousand, four hundred ninety".
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