Base | Representation |
---|---|
bin | 1011111110001… |
… | …1100110011000 |
3 | 10111111012110200 |
4 | 2333203212120 |
5 | 100323342240 |
6 | 4552142200 |
7 | 1146552231 |
oct | 277434630 |
9 | 114435420 |
10 | 50215320 |
11 | 26388571 |
12 | 14997960 |
13 | a53240c |
14 | 6952088 |
15 | 461d930 |
hex | 2fe3998 |
50215320 has 48 divisors (see below), whose sum is σ = 163200960. Its totient is φ = 13390656.
The previous prime is 50215303. The next prime is 50215367. The reversal of 50215320 is 2351205.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 50215293 and 50215302.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69384 + ... + 70103.
It is an arithmetic number, because the mean of its divisors is an integer number (3400020).
Almost surely, 250215320 is an apocalyptic number.
It is an amenable number.
50215320 is an abundant number, since it is smaller than the sum of its proper divisors (112985640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50215320 is a wasteful number, since it uses less digits than its factorization.
50215320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 139504 (or 139497 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 18.
The square root of 50215320 is about 7086.2768785872. The cubic root of 50215320 is about 368.9312229980.
Adding to 50215320 its reverse (2351205), we get a palindrome (52566525).
The spelling of 50215320 in words is "fifty million, two hundred fifteen thousand, three hundred twenty".
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