Base | Representation |
---|---|
bin | 11001100110011… |
… | …11111010010101 |
3 | 112222002222212011 |
4 | 30303033322111 |
5 | 414434323414 |
6 | 33151024221 |
7 | 5215303453 |
oct | 1463177225 |
9 | 488088764 |
10 | 214761109 |
11 | 100255222 |
12 | 5bb0b071 |
13 | 35654ca4 |
14 | 207459d3 |
15 | 13cc2dc4 |
hex | cccfe95 |
214761109 has 8 divisors (see below), whose sum is σ = 219156032. Its totient is φ = 210405600.
The previous prime is 214761103. The next prime is 214761137. The reversal of 214761109 is 901167412.
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 214761109 - 23 = 214761101 is a prime.
It is a super-2 number, since 2×2147611092 = 92244667877819762, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214761101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1282 + ... + 20764.
It is an arithmetic number, because the mean of its divisors is an integer number (27394504).
Almost surely, 2214761109 is an apocalyptic number.
It is an amenable number.
214761109 is a deficient number, since it is larger than the sum of its proper divisors (4394923).
214761109 is a wasteful number, since it uses less digits than its factorization.
214761109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19707.
The product of its (nonzero) digits is 3024, while the sum is 31.
The square root of 214761109 is about 14654.7299190398. The cubic root of 214761109 is about 598.8506785431.
The spelling of 214761109 in words is "two hundred fourteen million, seven hundred sixty-one thousand, one hundred nine".
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