Base | Representation |
---|---|
bin | 11001100100000… |
… | …10100001101111 |
3 | 112221111220001200 |
4 | 30302002201233 |
5 | 414344203033 |
6 | 33140140543 |
7 | 5212513404 |
oct | 1462024157 |
9 | 487456050 |
10 | 214444143 |
11 | 100059071 |
12 | 5b997753 |
13 | 35573934 |
14 | 206a22ab |
15 | 13c5e013 |
hex | cc8286f |
214444143 has 24 divisors (see below), whose sum is σ = 324155520. Its totient is φ = 136442880.
The previous prime is 214444133. The next prime is 214444163. The reversal of 214444143 is 341444412.
214444143 is a `hidden beast` number, since 214 + 4 + 441 + 4 + 3 = 666.
It is not a de Polignac number, because 214444143 - 26 = 214444079 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214444123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15103 + ... + 25631.
It is an arithmetic number, because the mean of its divisors is an integer number (13506480).
Almost surely, 2214444143 is an apocalyptic number.
214444143 is a deficient number, since it is larger than the sum of its proper divisors (109711377).
214444143 is a wasteful number, since it uses less digits than its factorization.
214444143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10639 (or 10636 counting only the distinct ones).
The product of its digits is 6144, while the sum is 27.
The square root of 214444143 is about 14643.9114651790. The cubic root of 214444143 is about 598.5559188377. Note that the first 3 decimals are identical.
Adding to 214444143 its reverse (341444412), we get a palindrome (555888555).
The spelling of 214444143 in words is "two hundred fourteen million, four hundred forty-four thousand, one hundred forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •