Base | Representation |
---|---|
bin | 1100001001111… |
… | …1100101001011 |
3 | 10112221022200010 |
4 | 3002133211023 |
5 | 101023012131 |
6 | 5020443003 |
7 | 1156240110 |
oct | 302374513 |
9 | 115838603 |
10 | 50985291 |
11 | 26864005 |
12 | 150a9463 |
13 | a741a16 |
14 | 6ab2907 |
15 | 4721b46 |
hex | 309f94b |
50985291 has 16 divisors (see below), whose sum is σ = 77792000. Its totient is φ = 29096928.
The previous prime is 50985287. The next prime is 50985353. The reversal of 50985291 is 19258905.
It is not a de Polignac number, because 50985291 - 22 = 50985287 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (50985251) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29160 + ... + 30858.
It is an arithmetic number, because the mean of its divisors is an integer number (4862000).
Almost surely, 250985291 is an apocalyptic number.
50985291 is a deficient number, since it is larger than the sum of its proper divisors (26806709).
50985291 is a wasteful number, since it uses less digits than its factorization.
50985291 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3138.
The product of its (nonzero) digits is 32400, while the sum is 39.
The square root of 50985291 is about 7140.3985182901. The cubic root of 50985291 is about 370.8073216728.
The spelling of 50985291 in words is "fifty million, nine hundred eighty-five thousand, two hundred ninety-one".
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