Base | Representation |
---|---|
bin | 11001100111110… |
… | …00101001000111 |
3 | 112222102110201012 |
4 | 30303320221013 |
5 | 420010143233 |
6 | 33154352435 |
7 | 5216600036 |
oct | 1463705107 |
9 | 488373635 |
10 | 214927943 |
11 | 1003595aa |
12 | 5bb8b71b |
13 | 356b2bc9 |
14 | 2078a71d |
15 | 13d07548 |
hex | ccf8a47 |
214927943 has 4 divisors (see below), whose sum is σ = 226239960. Its totient is φ = 203615928.
The previous prime is 214927927. The next prime is 214927963. The reversal of 214927943 is 349729412.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 214927943 - 24 = 214927927 is a prime.
It is a super-2 number, since 2×2149279432 = 92388041364422498, which contains 22 as substring.
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 214927943.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214927963) 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, 5655980 + ... + 5656017.
It is an arithmetic number, because the mean of its divisors is an integer number (56559990).
Almost surely, 2214927943 is an apocalyptic number.
214927943 is a deficient number, since it is larger than the sum of its proper divisors (11312017).
214927943 is a wasteful number, since it uses less digits than its factorization.
214927943 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11312016.
The product of its digits is 108864, while the sum is 41.
The square root of 214927943 is about 14660.4209693992. The cubic root of 214927943 is about 599.0057078450.
The spelling of 214927943 in words is "two hundred fourteen million, nine hundred twenty-seven thousand, nine hundred forty-three".
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