Base | Representation |
---|---|
bin | 11001100011101… |
… | …01100100100001 |
3 | 112221102012021010 |
4 | 30301311210201 |
5 | 414341003243 |
6 | 33135051133 |
7 | 5212202601 |
oct | 1461654441 |
9 | 487365233 |
10 | 214391073 |
11 | 100022206 |
12 | 5b970aa9 |
13 | 35555730 |
14 | 2068ac01 |
15 | 13c4d433 |
hex | cc75921 |
214391073 has 32 divisors (see below), whose sum is σ = 326753280. Its totient is φ = 124027200.
The previous prime is 214391059. The next prime is 214391083. The reversal of 214391073 is 370193412.
It is not a de Polignac number, because 214391073 - 210 = 214390049 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 214391073.
It is not an unprimeable number, because it can be changed into a prime (214391033) 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 31 ways as a sum of consecutive naturals, for example, 50898 + ... + 54948.
It is an arithmetic number, because the mean of its divisors is an integer number (10211040).
Almost surely, 2214391073 is an apocalyptic number.
214391073 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
214391073 is a deficient number, since it is larger than the sum of its proper divisors (112362207).
214391073 is a wasteful number, since it uses less digits than its factorization.
214391073 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4149.
The product of its (nonzero) digits is 4536, while the sum is 30.
The square root of 214391073 is about 14642.0993371852. The cubic root of 214391073 is about 598.5065384833.
The spelling of 214391073 in words is "two hundred fourteen million, three hundred ninety-one thousand, seventy-three".
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