Base | Representation |
---|---|
bin | 11001100011101… |
… | …11001001011010 |
3 | 112221102112010021 |
4 | 30301313021122 |
5 | 414341210110 |
6 | 33135141054 |
7 | 5212230454 |
oct | 1461671132 |
9 | 487375107 |
10 | 214397530 |
11 | 100027046 |
12 | 5b97478a |
13 | 35558659 |
14 | 2068d2d4 |
15 | 13c502da |
hex | cc7725a |
214397530 has 8 divisors (see below), whose sum is σ = 385915572. Its totient is φ = 85759008.
The previous prime is 214397483. The next prime is 214397537. The reversal of 214397530 is 35793412.
It can be written as a sum of positive squares in 2 ways, for example, as 187388721 + 27008809 = 13689^2 + 5197^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (214397537) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10719867 + ... + 10719886.
Almost surely, 2214397530 is an apocalyptic number.
214397530 is a deficient number, since it is larger than the sum of its proper divisors (171518042).
214397530 is a wasteful number, since it uses less digits than its factorization.
214397530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21439760.
The product of its (nonzero) digits is 22680, while the sum is 34.
The square root of 214397530 is about 14642.3198298630. The cubic root of 214397530 is about 598.5125470013.
The spelling of 214397530 in words is "two hundred fourteen million, three hundred ninety-seven thousand, five hundred thirty".
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