Base | Representation |
---|---|
bin | 11001100011000… |
… | …01010110000111 |
3 | 112221020222121220 |
4 | 30301201112013 |
5 | 414330330411 |
6 | 33133211423 |
7 | 5211406224 |
oct | 1461412607 |
9 | 487228556 |
10 | 214308231 |
11 | aaa75a45 |
12 | 5b930b73 |
13 | 35526b07 |
14 | 2066894b |
15 | 13c33b06 |
hex | cc61587 |
214308231 has 8 divisors (see below), whose sum is σ = 295597680. Its totient is φ = 137945472.
The previous prime is 214308221. The next prime is 214308233. The reversal of 214308231 is 132803412.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 214308231 - 29 = 214307719 is a prime.
It is a super-2 number, since 2×2143082312 = 91856035748698722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214308233) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1231570 + ... + 1231743.
It is an arithmetic number, because the mean of its divisors is an integer number (36949710).
Almost surely, 2214308231 is an apocalyptic number.
214308231 is a deficient number, since it is larger than the sum of its proper divisors (81289449).
214308231 is a wasteful number, since it uses less digits than its factorization.
214308231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2463345.
The product of its (nonzero) digits is 1152, while the sum is 24.
The square root of 214308231 is about 14639.2701662344. The cubic root of 214308231 is about 598.4294397099.
The spelling of 214308231 in words is "two hundred fourteen million, three hundred eight thousand, two hundred thirty-one".
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