Base | Representation |
---|---|
bin | 11001100000110… |
… | …11000011101011 |
3 | 112220201100200221 |
4 | 30300123003223 |
5 | 414242122311 |
6 | 33123110511 |
7 | 5206066660 |
oct | 1460330353 |
9 | 486640627 |
10 | 214020331 |
11 | aa899708 |
12 | 5b812437 |
13 | 35455a65 |
14 | 205d1a67 |
15 | 13bc8671 |
hex | cc1b0eb |
214020331 has 16 divisors (see below), whose sum is σ = 251184384. Its totient is φ = 178534944.
The previous prime is 214020329. The next prime is 214020343. The reversal of 214020331 is 133020412.
It is a happy number.
214020331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 214020331 - 21 = 214020329 is a prime.
It is a super-2 number, since 2×2140203312 = 91609404162699122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (214120331) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94296 + ... + 96538.
It is an arithmetic number, because the mean of its divisors is an integer number (15699024).
Almost surely, 2214020331 is an apocalyptic number.
214020331 is a deficient number, since it is larger than the sum of its proper divisors (37164053).
214020331 is a wasteful number, since it uses less digits than its factorization.
214020331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2610.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 214020331 is about 14629.4337210980. The cubic root of 214020331 is about 598.1613444800.
Adding to 214020331 its reverse (133020412), we get a palindrome (347040743).
The spelling of 214020331 in words is "two hundred fourteen million, twenty thousand, three hundred thirty-one".
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