Base | Representation |
---|---|
bin | 1011111000011… |
… | …0101110101001 |
3 | 10110202212122211 |
4 | 2332012232221 |
5 | 100224204141 |
6 | 4540045121 |
7 | 1143406213 |
oct | 276065651 |
9 | 113685584 |
10 | 49834921 |
11 | 26148794 |
12 | 148337a1 |
13 | a42b226 |
14 | 68935b3 |
15 | 4595d81 |
hex | 2f86ba9 |
49834921 has 8 divisors (see below), whose sum is σ = 50472360. Its totient is φ = 49201152.
The previous prime is 49834919. The next prime is 49834931. The reversal of 49834921 is 12943894.
It can be written as a sum of positive squares in 4 ways, for example, as 16933225 + 32901696 = 4115^2 + 5736^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 49834921 - 21 = 49834919 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (49834931) 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, 34665 + ... + 36073.
It is an arithmetic number, because the mean of its divisors is an integer number (6309045).
Almost surely, 249834921 is an apocalyptic number.
It is an amenable number.
49834921 is a deficient number, since it is larger than the sum of its proper divisors (637439).
49834921 is a wasteful number, since it uses less digits than its factorization.
49834921 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1835.
The product of its digits is 62208, while the sum is 40.
The square root of 49834921 is about 7059.3853131841. The cubic root of 49834921 is about 367.9972653585.
The spelling of 49834921 in words is "forty-nine million, eight hundred thirty-four thousand, nine hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •