Base | Representation |
---|---|
bin | 11001010111101… |
… | …00101000101110 |
3 | 112211110002110011 |
4 | 30223310220232 |
5 | 413440030012 |
6 | 33041203434 |
7 | 5162615044 |
oct | 1453645056 |
9 | 484402404 |
10 | 212814382 |
11 | aa145660 |
12 | 5b33057a |
13 | 35122b91 |
14 | 2039a394 |
15 | 13a3b1a7 |
hex | caf4a2e |
212814382 has 16 divisors (see below), whose sum is σ = 348606000. Its totient is φ = 96632640.
The previous prime is 212814379. The next prime is 212814401. The reversal of 212814382 is 283418212.
It is a happy number.
It is a super-2 number, since 2×2128143822 = 90579922372083848, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18994 + ... + 28042.
It is an arithmetic number, because the mean of its divisors is an integer number (21787875).
Almost surely, 2212814382 is an apocalyptic number.
212814382 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
212814382 is a deficient number, since it is larger than the sum of its proper divisors (135791618).
212814382 is a wasteful number, since it uses less digits than its factorization.
212814382 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10131.
The product of its digits is 6144, while the sum is 31.
The square root of 212814382 is about 14588.1589654075. The cubic root of 212814382 is about 597.0357330231.
The spelling of 212814382 in words is "two hundred twelve million, eight hundred fourteen thousand, three hundred eighty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •