Base | Representation |
---|---|
bin | 11001100010010… |
… | …01100111000111 |
3 | 112221002001021022 |
4 | 30301021213013 |
5 | 414314223030 |
6 | 33131141355 |
7 | 5210522624 |
oct | 1461114707 |
9 | 487061238 |
10 | 214211015 |
11 | aaa099a7 |
12 | 5b8a485b |
13 | 354c17a5 |
14 | 2064134b |
15 | 13c14de5 |
hex | cc499c7 |
214211015 has 4 divisors (see below), whose sum is σ = 257053224. Its totient is φ = 171368808.
The previous prime is 214211003. The next prime is 214211021. The reversal of 214211015 is 510112412.
214211015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 214211015 - 218 = 213948871 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 214210984 and 214211002.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21421097 + ... + 21421106.
It is an arithmetic number, because the mean of its divisors is an integer number (64263306).
Almost surely, 2214211015 is an apocalyptic number.
214211015 is a deficient number, since it is larger than the sum of its proper divisors (42842209).
214211015 is an equidigital number, since it uses as much as digits as its factorization.
214211015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42842208.
The product of its (nonzero) digits is 80, while the sum is 17.
The square root of 214211015 is about 14635.9494054878. The cubic root of 214211015 is about 598.3389381066.
Adding to 214211015 its reverse (510112412), we get a palindrome (724323427).
It can be divided in two parts, 2 and 14211015, that multiplied together give a triangular number (28422030 = T7539).
The spelling of 214211015 in words is "two hundred fourteen million, two hundred eleven thousand, fifteen".
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