Base | Representation |
---|---|
bin | 1011111001011… |
… | …0101101010001 |
3 | 10110220012102211 |
4 | 2332112231101 |
5 | 100233302434 |
6 | 4541312121 |
7 | 1144101061 |
oct | 276265521 |
9 | 113805384 |
10 | 49900369 |
11 | 26192982 |
12 | 14865641 |
13 | a451c5c |
14 | 68ad3a1 |
15 | 45aa464 |
hex | 2f96b51 |
49900369 has 4 divisors (see below), whose sum is σ = 50043700. Its totient is φ = 49757040.
The previous prime is 49900337. The next prime is 49900373. The reversal of 49900369 is 96300994.
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 37368769 + 12531600 = 6113^2 + 3540^2 .
It is a cyclic number.
It is not a de Polignac number, because 49900369 - 25 = 49900337 is a prime.
It is a super-2 number, since 2×499003692 = 4980093652672322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (49904369) 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, 71142 + ... + 71839.
It is an arithmetic number, because the mean of its divisors is an integer number (12510925).
Almost surely, 249900369 is an apocalyptic number.
It is an amenable number.
49900369 is a deficient number, since it is larger than the sum of its proper divisors (143331).
49900369 is a wasteful number, since it uses less digits than its factorization.
49900369 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 143330.
The product of its (nonzero) digits is 52488, while the sum is 40.
The square root of 49900369 is about 7064.0193233031. The cubic root of 49900369 is about 368.1582913271.
The spelling of 49900369 in words is "forty-nine million, nine hundred thousand, three hundred sixty-nine".
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