Base | Representation |
---|---|
bin | 11001101000101… |
… | …10100010010000 |
3 | 112222122200200001 |
4 | 30310112202100 |
5 | 420023103014 |
6 | 33201135344 |
7 | 5220620023 |
oct | 1464264220 |
9 | 488580601 |
10 | 215050384 |
11 | 10043259a |
12 | 6002a554 |
13 | 35726863 |
14 | 207bd1ba |
15 | 13d2d974 |
hex | cd16890 |
215050384 has 20 divisors (see below), whose sum is σ = 416979760. Its totient is φ = 107442720.
The previous prime is 215050373. The next prime is 215050387. The reversal of 215050384 is 483050512.
It is not an unprimeable number, because it can be changed into a prime (215050387) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 20107 + ... + 28885.
It is an arithmetic number, because the mean of its divisors is an integer number (20848988).
Almost surely, 2215050384 is an apocalyptic number.
It is an amenable number.
215050384 is a deficient number, since it is larger than the sum of its proper divisors (201929376).
215050384 is a wasteful number, since it uses less digits than its factorization.
215050384 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10318 (or 10312 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 28.
The square root of 215050384 is about 14664.5962781114. The cubic root of 215050384 is about 599.1194342313.
The spelling of 215050384 in words is "two hundred fifteen million, fifty thousand, three hundred eighty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •