Base | Representation |
---|---|
bin | 11001100110110… |
… | …10101101010001 |
3 | 112222012020111221 |
4 | 30303122231101 |
5 | 414442232304 |
6 | 33152005041 |
7 | 5215546414 |
oct | 1463325521 |
9 | 488166457 |
10 | 214805329 |
11 | 100285472 |
12 | 5bb30781 |
13 | 3566c15b |
14 | 20757b7b |
15 | 13cd1054 |
hex | ccdab51 |
214805329 has 2 divisors, whose sum is σ = 214805330. Its totient is φ = 214805328.
The previous prime is 214805321. The next prime is 214805341. The reversal of 214805329 is 923508412.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 184334929 + 30470400 = 13577^2 + 5520^2 .
It is a cyclic number.
It is not a de Polignac number, because 214805329 - 23 = 214805321 is a prime.
It is a super-2 number, since 2×2148053292 = 92282658733596482, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 214805294 and 214805303.
It is not a weakly prime, because it can be changed into another prime (214805321) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107402664 + 107402665.
It is an arithmetic number, because the mean of its divisors is an integer number (107402665).
Almost surely, 2214805329 is an apocalyptic number.
It is an amenable number.
214805329 is a deficient number, since it is larger than the sum of its proper divisors (1).
214805329 is an equidigital number, since it uses as much as digits as its factorization.
214805329 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 17280, while the sum is 34.
The square root of 214805329 is about 14656.2385692919. The cubic root of 214805329 is about 598.8917774798.
The spelling of 214805329 in words is "two hundred fourteen million, eight hundred five thousand, three hundred twenty-nine".
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