Base | Representation |
---|---|
bin | 11001100010011… |
… | …00000011111011 |
3 | 112221002120001000 |
4 | 30301030003323 |
5 | 414320033201 |
6 | 33131300043 |
7 | 5210564112 |
oct | 1461140373 |
9 | 487076030 |
10 | 214221051 |
11 | aaa164a0 |
12 | 5b8aa623 |
13 | 354c6225 |
14 | 20644c79 |
15 | 13c17d86 |
hex | cc4c0fb |
214221051 has 16 divisors (see below), whose sum is σ = 346216320. Its totient is φ = 129830760.
The previous prime is 214221047. The next prime is 214221089. The reversal of 214221051 is 150122412.
214221051 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 214221051 - 22 = 214221047 is a prime.
It is not an unprimeable number, because it can be changed into a prime (214221001) 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, 360345 + ... + 360938.
It is an arithmetic number, because the mean of its divisors is an integer number (21638520).
Almost surely, 2214221051 is an apocalyptic number.
214221051 is a deficient number, since it is larger than the sum of its proper divisors (131995269).
214221051 is a wasteful number, since it uses less digits than its factorization.
214221051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 721303 (or 721297 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 18.
The square root of 214221051 is about 14636.2922558960. The cubic root of 214221051 is about 598.3482822197.
Adding to 214221051 its reverse (150122412), we get a palindrome (364343463).
The spelling of 214221051 in words is "two hundred fourteen million, two hundred twenty-one thousand, fifty-one".
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