Base | Representation |
---|---|
bin | 11101001111010… |
… | …101001100101110 |
3 | 1021012001221102020 |
4 | 131033111030232 |
5 | 2001040331004 |
6 | 120402211010 |
7 | 15104450664 |
oct | 3517251456 |
9 | 1235057366 |
10 | 490558254 |
11 | 2319a874a |
12 | 118353a66 |
13 | 7a82a674 |
14 | 49218c34 |
15 | 2d1008d9 |
hex | 1d3d532e |
490558254 has 8 divisors (see below), whose sum is σ = 981116520. Its totient is φ = 163519416.
The previous prime is 490558253. The next prime is 490558261. The reversal of 490558254 is 452855094.
It is a sphenic number, since it is the product of 3 distinct primes.
490558254 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (490558253) 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, 40879849 + ... + 40879860.
It is an arithmetic number, because the mean of its divisors is an integer number (122639565).
Almost surely, 2490558254 is an apocalyptic number.
490558254 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
490558254 is a wasteful number, since it uses less digits than its factorization.
490558254 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81759714.
The product of its (nonzero) digits is 288000, while the sum is 42.
The square root of 490558254 is about 22148.5497042131. The cubic root of 490558254 is about 788.6727990557.
The spelling of 490558254 in words is "four hundred ninety million, five hundred fifty-eight thousand, two hundred fifty-four".
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