Base | Representation |
---|---|
bin | 11001010101100… |
… | …01111100101110 |
3 | 112210221012202102 |
4 | 30222301330232 |
5 | 413402304410 |
6 | 33031255102 |
7 | 5160366506 |
oct | 1452617456 |
9 | 483835672 |
10 | 212541230 |
11 | a9a79410 |
12 | 5b21a492 |
13 | 35058755 |
14 | 20328a06 |
15 | 139d52a5 |
hex | cab1f2e |
212541230 has 16 divisors (see below), whose sum is σ = 417353904. Its totient is φ = 77287680.
The previous prime is 212541181. The next prime is 212541247. The reversal of 212541230 is 32145212.
It is an alternating number because its digits alternate between even and odd.
It is a Curzon number.
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, 965987 + ... + 966206.
It is an arithmetic number, because the mean of its divisors is an integer number (26084619).
Almost surely, 2212541230 is an apocalyptic number.
212541230 is a deficient number, since it is larger than the sum of its proper divisors (204812674).
212541230 is a wasteful number, since it uses less digits than its factorization.
212541230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1932211.
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 212541230 is about 14578.7938458571. The cubic root of 212541230 is about 596.7801874381.
Adding to 212541230 its reverse (32145212), we get a palindrome (244686442).
The spelling of 212541230 in words is "two hundred twelve million, five hundred forty-one thousand, two hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •