Base | Representation |
---|---|
bin | 1100001000110… |
… | …1101100010100 |
3 | 10112210121011101 |
4 | 3002031230110 |
5 | 101013141040 |
6 | 5015115444 |
7 | 1155513355 |
oct | 302155424 |
9 | 115717141 |
10 | 50912020 |
11 | 26813a55 |
12 | 15072b84 |
13 | a717573 |
14 | 6a93d2c |
15 | 470a09a |
hex | 308db14 |
50912020 has 24 divisors (see below), whose sum is σ = 112543200. Its totient is φ = 19292832.
The previous prime is 50912011. The next prime is 50912051. The reversal of 50912020 is 2021905.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 66610 + ... + 67369.
It is an arithmetic number, because the mean of its divisors is an integer number (4689300).
Almost surely, 250912020 is an apocalyptic number.
It is an amenable number.
50912020 is an abundant number, since it is smaller than the sum of its proper divisors (61631180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50912020 is a wasteful number, since it uses less digits than its factorization.
50912020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 134007 (or 134005 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 19.
The square root of 50912020 is about 7135.2659375807. The cubic root of 50912020 is about 370.6296073543.
Adding to 50912020 its reverse (2021905), we get a palindrome (52933925).
The spelling of 50912020 in words is "fifty million, nine hundred twelve thousand, twenty".
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