Base | Representation |
---|---|
bin | 1100000100011… |
… | …0011010110001 |
3 | 10112020202200211 |
4 | 3001012122301 |
5 | 100424320311 |
6 | 5004544121 |
7 | 1153156261 |
oct | 301063261 |
9 | 115222624 |
10 | 50620081 |
11 | 26634686 |
12 | 14b52041 |
13 | a644715 |
14 | 6a197a1 |
15 | 469d821 |
hex | 30466b1 |
50620081 has 4 divisors (see below), whose sum is σ = 51697152. Its totient is φ = 49543012.
The previous prime is 50620069. The next prime is 50620091. The reversal of 50620081 is 18002605.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18002605 = 5 ⋅3600521.
It is a cyclic number.
It is not a de Polignac number, because 50620081 - 213 = 50611889 is a prime.
It is a super-2 number, since 2×506200812 = 5124785200893122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (50620001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538465 + ... + 538558.
It is an arithmetic number, because the mean of its divisors is an integer number (12924288).
Almost surely, 250620081 is an apocalyptic number.
It is an amenable number.
50620081 is a deficient number, since it is larger than the sum of its proper divisors (1077071).
50620081 is a wasteful number, since it uses less digits than its factorization.
50620081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1077070.
The product of its (nonzero) digits is 480, while the sum is 22.
The square root of 50620081 is about 7114.7790548969. The cubic root of 50620081 is about 369.9198292334.
Adding to 50620081 its reverse (18002605), we get a palindrome (68622686).
The spelling of 50620081 in words is "fifty million, six hundred twenty thousand, eighty-one".
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