Base | Representation |
---|---|
bin | 1011111011111… |
… | …1000101110100 |
3 | 10111012121100011 |
4 | 2332333011310 |
5 | 100304101110 |
6 | 4545030004 |
7 | 1145360242 |
oct | 276770564 |
9 | 114177304 |
10 | 50065780 |
11 | 26296186 |
12 | 14925304 |
13 | a4ac32b |
14 | 6913792 |
15 | 45de48a |
hex | 2fbf174 |
50065780 has 24 divisors (see below), whose sum is σ = 106073352. Its totient is φ = 19848192.
The previous prime is 50065751. The next prime is 50065783. The reversal of 50065780 is 8756005.
It can be written as a sum of positive squares in 4 ways, for example, as 3771364 + 46294416 = 1942^2 + 6804^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50065783) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8817 + ... + 13336.
It is an arithmetic number, because the mean of its divisors is an integer number (4419723).
Almost surely, 250065780 is an apocalyptic number.
It is an amenable number.
50065780 is an abundant number, since it is smaller than the sum of its proper divisors (56007572).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50065780 is a wasteful number, since it uses less digits than its factorization.
50065780 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22275 (or 22273 counting only the distinct ones).
The product of its (nonzero) digits is 8400, while the sum is 31.
The square root of 50065780 is about 7075.7176314491. The cubic root of 50065780 is about 368.5646361289.
The spelling of 50065780 in words is "fifty million, sixty-five thousand, seven hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •