Base | Representation |
---|---|
bin | 11001100011010… |
… | …10110110001001 |
3 | 112221022222000011 |
4 | 30301222312021 |
5 | 414333102040 |
6 | 33134111521 |
7 | 5211630535 |
oct | 1461526611 |
9 | 487288004 |
10 | 214347145 |
11 | aaaa2201 |
12 | 5b94b5a1 |
13 | 3553b73c |
14 | 20678bc5 |
15 | 13c403ea |
hex | cc6ad89 |
214347145 has 12 divisors (see below), whose sum is σ = 260551620. Its totient is φ = 169282464.
The previous prime is 214347127. The next prime is 214347157. The reversal of 214347145 is 541743412.
214347145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 29713401 + 184633744 = 5451^2 + 13588^2 .
It is not a de Polignac number, because 214347145 - 29 = 214346633 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27771 + ... + 34639.
It is an arithmetic number, because the mean of its divisors is an integer number (21712635).
Almost surely, 2214347145 is an apocalyptic number.
It is an amenable number.
214347145 is a deficient number, since it is larger than the sum of its proper divisors (46204475).
214347145 is an frugal number, since it uses more digits than its factorization.
214347145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7032 (or 6953 counting only the distinct ones).
The product of its digits is 13440, while the sum is 31.
The square root of 214347145 is about 14640.5992022185. The cubic root of 214347145 is about 598.4656583746.
The spelling of 214347145 in words is "two hundred fourteen million, three hundred forty-seven thousand, one hundred forty-five".
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