Base | Representation |
---|---|
bin | 1011111001010… |
… | …0001110101011 |
3 | 10110212200111220 |
4 | 2332110032223 |
5 | 100232441334 |
6 | 4541153123 |
7 | 1144026351 |
oct | 276241653 |
9 | 113780456 |
10 | 49890219 |
11 | 26186295 |
12 | 1485b7a3 |
13 | a44a452 |
14 | 68a97d1 |
15 | 45a7449 |
hex | 2f943ab |
49890219 has 8 divisors (see below), whose sum is σ = 70021440. Its totient is φ = 31509576.
The previous prime is 49890187. The next prime is 49890227. The reversal of 49890219 is 91209894.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 49890219 - 25 = 49890187 is a prime.
It is a super-2 number, since 2×498902192 = 4978067903735922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (49894219) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437577 + ... + 437690.
It is an arithmetic number, because the mean of its divisors is an integer number (8752680).
Almost surely, 249890219 is an apocalyptic number.
49890219 is a deficient number, since it is larger than the sum of its proper divisors (20131221).
49890219 is a wasteful number, since it uses less digits than its factorization.
49890219 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 875289.
The product of its (nonzero) digits is 46656, while the sum is 42.
The square root of 49890219 is about 7063.3008572480. The cubic root of 49890219 is about 368.1333278507.
The spelling of 49890219 in words is "forty-nine million, eight hundred ninety thousand, two hundred nineteen".
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