Base | Representation |
---|---|
bin | 1011111111101… |
… | …0110001001100 |
3 | 10111200000122111 |
4 | 2333322301030 |
5 | 100334411340 |
6 | 4554153404 |
7 | 1150426012 |
oct | 277726114 |
9 | 114600574 |
10 | 50310220 |
11 | 264428a4 |
12 | 14a22864 |
13 | a56667c |
14 | 69788b2 |
15 | 463baea |
hex | 2ffac4c |
50310220 has 24 divisors (see below), whose sum is σ = 105822864. Its totient is φ = 20091456.
The previous prime is 50310209. The next prime is 50310229. The reversal of 50310220 is 2201305.
It is a super-2 number, since 2×503102202 = 5062236472896800, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 50310220.
It is not an unprimeable number, because it can be changed into a prime (50310229) 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, 13479 + ... + 16801.
It is an arithmetic number, because the mean of its divisors is an integer number (4409286).
Almost surely, 250310220 is an apocalyptic number.
It is an amenable number.
50310220 is an abundant number, since it is smaller than the sum of its proper divisors (55512644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50310220 is a wasteful number, since it uses less digits than its factorization.
50310220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4089 (or 4087 counting only the distinct ones).
The product of its (nonzero) digits is 60, while the sum is 13.
The square root of 50310220 is about 7092.9697588528. The cubic root of 50310220 is about 369.1634863824.
Adding to 50310220 its reverse (2201305), we get a palindrome (52511525).
The spelling of 50310220 in words is "fifty million, three hundred ten thousand, two hundred twenty".
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