Base | Representation |
---|---|
bin | 1100001010000… |
… | …0000110011100 |
3 | 10112221102120222 |
4 | 3002200012130 |
5 | 101023044140 |
6 | 5020500512 |
7 | 1156246241 |
oct | 302400634 |
9 | 115842528 |
10 | 50987420 |
11 | 26865670 |
12 | 150aa738 |
13 | a742993 |
14 | 6ab35c8 |
15 | 47225b5 |
hex | 30a019c |
50987420 has 48 divisors (see below), whose sum is σ = 123687648. Its totient is φ = 17448960.
The previous prime is 50987413. The next prime is 50987429. The reversal of 50987420 is 2478905.
It is a happy number.
It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50987429) 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, 3077 + ... + 10556.
It is an arithmetic number, because the mean of its divisors is an integer number (2576826).
Almost surely, 250987420 is an apocalyptic number.
It is an amenable number.
50987420 is an abundant number, since it is smaller than the sum of its proper divisors (72700228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50987420 is a wasteful number, since it uses less digits than its factorization.
50987420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13670 (or 13668 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 35.
The square root of 50987420 is about 7140.5475980488. The cubic root of 50987420 is about 370.8124828855.
The spelling of 50987420 in words is "fifty million, nine hundred eighty-seven thousand, four hundred twenty".
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