Base | Representation |
---|---|
bin | 1100001000100… |
… | …1010001010101 |
3 | 10112202200022121 |
4 | 3002021101111 |
5 | 101012101114 |
6 | 5014455541 |
7 | 1155406513 |
oct | 302112125 |
9 | 115680277 |
10 | 50893909 |
11 | 26801390 |
12 | 150645b1 |
13 | a70c251 |
14 | 6a8b4b3 |
15 | 4704a24 |
hex | 3089455 |
50893909 has 8 divisors (see below), whose sum is σ = 57312000. Its totient is φ = 44774400.
The previous prime is 50893889. The next prime is 50893961. The reversal of 50893909 is 90939805.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 50893909 - 215 = 50861141 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50893009) 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, 74284 + ... + 74965.
It is an arithmetic number, because the mean of its divisors is an integer number (7164000).
Almost surely, 250893909 is an apocalyptic number.
It is an amenable number.
50893909 is a deficient number, since it is larger than the sum of its proper divisors (6418091).
50893909 is a wasteful number, since it uses less digits than its factorization.
50893909 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149291.
The product of its (nonzero) digits is 87480, while the sum is 43.
The square root of 50893909 is about 7133.9967059146. The cubic root of 50893909 is about 370.5856539557.
It can be divided in two parts, 5089 and 3909, that added together give a palindrome (8998).
The spelling of 50893909 in words is "fifty million, eight hundred ninety-three thousand, nine hundred nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.173 sec. • engine limits •