Base | Representation |
---|---|
bin | 11101001111111… |
… | …111111010111011 |
3 | 1021012101211110022 |
4 | 131033333322323 |
5 | 2001111430433 |
6 | 120410041055 |
7 | 15106110110 |
oct | 3517777273 |
9 | 1235354408 |
10 | 490733243 |
11 | 232008170 |
12 | 11841918b |
13 | 7a88c200 |
14 | 49262907 |
15 | 2d137698 |
hex | 1d3ffebb |
490733243 has 48 divisors (see below), whose sum is σ = 678686976. Its totient is φ = 344373120.
The previous prime is 490733233. The next prime is 490733249. The reversal of 490733243 is 342337094.
It is a happy number.
It is not a de Polignac number, because 490733243 - 216 = 490667707 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (490733249) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 559121 + ... + 559997.
It is an arithmetic number, because the mean of its divisors is an integer number (14139312).
Almost surely, 2490733243 is an apocalyptic number.
490733243 is a gapful number since it is divisible by the number (43) formed by its first and last digit.
490733243 is a deficient number, since it is larger than the sum of its proper divisors (187953733).
490733243 is a wasteful number, since it uses less digits than its factorization.
490733243 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 964 (or 951 counting only the distinct ones).
The product of its (nonzero) digits is 54432, while the sum is 35.
The square root of 490733243 is about 22152.4997009367. The cubic root of 490733243 is about 788.7665647853.
The spelling of 490733243 in words is "four hundred ninety million, seven hundred thirty-three thousand, two hundred forty-three".
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