Base | Representation |
---|---|
bin | 11001100100001… |
… | …00101011010011 |
3 | 112221112100010202 |
4 | 30302010223103 |
5 | 414344443242 |
6 | 33140245415 |
7 | 5212551152 |
oct | 1462045323 |
9 | 487470122 |
10 | 214452947 |
11 | 100064745 |
12 | 5b9a086b |
13 | 35577947 |
14 | 206a5599 |
15 | 13c61932 |
hex | cc84ad3 |
214452947 has 8 divisors (see below), whose sum is σ = 222489600. Its totient is φ = 206486280.
The previous prime is 214452929. The next prime is 214452949. The reversal of 214452947 is 749254412.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 214452947 - 28 = 214452691 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 214452947.
It is not an unprimeable number, because it can be changed into a prime (214452949) 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, 11213 + ... + 23550.
It is an arithmetic number, because the mean of its divisors is an integer number (27811200).
Almost surely, 2214452947 is an apocalyptic number.
214452947 is a deficient number, since it is larger than the sum of its proper divisors (8036653).
214452947 is a wasteful number, since it uses less digits than its factorization.
214452947 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34993.
The product of its digits is 80640, while the sum is 38.
The square root of 214452947 is about 14644.2120648398. The cubic root of 214452947 is about 598.5641099594.
The spelling of 214452947 in words is "two hundred fourteen million, four hundred fifty-two thousand, nine hundred forty-seven".
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