Base | Representation |
---|---|
bin | 11001100010010… |
… | …10101010001110 |
3 | 112221002021011101 |
4 | 30301022222032 |
5 | 414314342220 |
6 | 33131213314 |
7 | 5210541301 |
oct | 1461125216 |
9 | 487067141 |
10 | 214215310 |
11 | aaa12151 |
12 | 5b8a723a |
13 | 354c372a |
14 | 20642b38 |
15 | 13c1630a |
hex | cc4aa8e |
214215310 has 32 divisors (see below), whose sum is σ = 408189600. Its totient is φ = 80714880.
The previous prime is 214215299. The next prime is 214215319. The reversal of 214215310 is 13512412.
It is a super-2 number, since 2×2142153102 = 91776398076792200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214215319) 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 15 ways as a sum of consecutive naturals, for example, 31276 + ... + 37504.
It is an arithmetic number, because the mean of its divisors is an integer number (12755925).
Almost surely, 2214215310 is an apocalyptic number.
214215310 is a deficient number, since it is larger than the sum of its proper divisors (193974290).
214215310 is a wasteful number, since it uses less digits than its factorization.
214215310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6436.
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 214215310 is about 14636.0961325075. The cubic root of 214215310 is about 598.3429370429.
Adding to 214215310 its reverse (13512412), we get a palindrome (227727722).
The spelling of 214215310 in words is "two hundred fourteen million, two hundred fifteen thousand, three hundred ten".
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