Base | Representation |
---|---|
bin | 11001100110111… |
… | …00100000100001 |
3 | 112222012121122010 |
4 | 30303130200201 |
5 | 414443001310 |
6 | 33152103133 |
7 | 5215610052 |
oct | 1463344041 |
9 | 488177563 |
10 | 214812705 |
11 | 10028aa68 |
12 | 5bb34aa9 |
13 | 35672613 |
14 | 2075a729 |
15 | 13cd3320 |
hex | ccdc821 |
214812705 has 8 divisors (see below), whose sum is σ = 343700352. Its totient is φ = 114566768.
The previous prime is 214812691. The next prime is 214812721. The reversal of 214812705 is 507218412.
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 214812705 - 25 = 214812673 is a prime.
It is a super-2 number, since 2×2148127052 = 92288996458834050, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7160409 + ... + 7160438.
It is an arithmetic number, because the mean of its divisors is an integer number (42962544).
Almost surely, 2214812705 is an apocalyptic number.
It is an amenable number.
214812705 is a deficient number, since it is larger than the sum of its proper divisors (128887647).
214812705 is a wasteful number, since it uses less digits than its factorization.
214812705 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14320855.
The product of its (nonzero) digits is 4480, while the sum is 30.
The square root of 214812705 is about 14656.4902005903. The cubic root of 214812705 is about 598.8986323302.
The spelling of 214812705 in words is "two hundred fourteen million, eight hundred twelve thousand, seven hundred five".
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