Base | Representation |
---|---|
bin | 11001100000101… |
… | …10110101001101 |
3 | 112220200110221211 |
4 | 30300112311031 |
5 | 414241044041 |
6 | 33122454421 |
7 | 5205665341 |
oct | 1460266515 |
9 | 486613854 |
10 | 214003021 |
11 | aa887701 |
12 | 5b804411 |
13 | 3544ac0b |
14 | 205c9621 |
15 | 13bc3481 |
hex | cc16d4d |
214003021 has 8 divisors (see below), whose sum is σ = 229461120. Its totient is φ = 198863808.
The previous prime is 214003007. The next prime is 214003033. The reversal of 214003021 is 120300412.
214003021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 214003021 - 25 = 214002989 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 214002992 and 214003010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214003051) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78331 + ... + 81016.
It is an arithmetic number, because the mean of its divisors is an integer number (28682640).
Almost surely, 2214003021 is an apocalyptic number.
It is an amenable number.
214003021 is a deficient number, since it is larger than the sum of its proper divisors (15458099).
214003021 is a wasteful number, since it uses less digits than its factorization.
214003021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 159443.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 214003021 is about 14628.8420936177. The cubic root of 214003021 is about 598.1452175822.
Adding to 214003021 its reverse (120300412), we get a palindrome (334303433).
The spelling of 214003021 in words is "two hundred fourteen million, three thousand, twenty-one".
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